LF33CDIE1 [STMICROELECTRONICS]
LF33CDIE1;型号: | LF33CDIE1 |
厂家: | ST |
描述: | LF33CDIE1 CD |
文件: | 总53页 (文件大小:1114K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LFXX
Very low drop voltage regulator with inhibit function
Datasheet
-
production data
Description
The LFXX is a very low drop regulator available in
TO-220, TO-220FP, DPAK and PPAK packages
and in a wide range of output voltages. The low
drop voltage (0.45 V) and low quiescent current
make it particularly suitable for low-noise, low-
power applications and especially in battery-
powered systems. In the 5 pin configuration
(PPAK) a shutdown logic control function is
available (pin 2, TTL compatible). This means that
when the device is used as a local regulator, a
part of the board can be put in standby,
TO-220FP
TO-220
PPAK
DPAK
decreasing the total power consumption. In the
three terminal configuration, the device has the
same electrical performance, but it is fixed in ON
state. It requires a capacitor of only 2.2 µF for
stability, saving board space and costs. The LFXX
is available as automotive grade in DPAK and
PPAK packages, for the options of output
voltages whose commercial part numbers are
shown in the order codes. These devices are
qualified according to the specification AEC-Q100
of the automotive market, in the temperature
range - 40 °C to 125 °C, and the statistical tests
PAT, SYL, SBL are performed.
Features
• Very low-dropout voltage (0.45 V)
• Very low quiescent current (typ. 50 µA in OFF
mode, 500 µA in ON mode)
• Output current up to 500 mA
• Logic-controlled electronic shutdown
• Output voltages of 1.5; 1.8; 2.5; 3.3; 4.7; 5; 6;
8; 8.5; 9; 12 V
• Automotive grade product: 1.8 V, 2.5 V, 3.3 V,
5.0 V, 8.0 V, 8.5 V VOUT in DPAK and PPAK
packages
• Internal current and thermal limit
• Only 2.2 µF for stability
• Available in ± 1% (AB) or ± 2% (C) selection at
25 °C
• Supply voltage rejection: 80 db (typ.)
• Temperature range: from -40 to 125 °C
March 2015
DocID2574 Rev 28
1/53
This is information on a product in full production.
www.st.com
Contents
LFXX
Contents
1
2
3
4
5
6
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.1
6.2
6.3
6.4
6.5
TO-220 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
TO-220 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
DPAK package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
PPAK package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
DPAK and PPAK packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
7
8
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
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LFXX
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
LF15AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
LF18AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
LF18C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
LF18C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
LF25AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LF25AB (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LF25C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
LF25C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LF33AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
LF33C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LF33C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
LF50AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
LF50AB (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LF50C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
LF50C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
LF60AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
LF60C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LF80AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
LF80C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
LF80C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
LF85AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
LF85C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
LF85C (automotive grade) electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
LF90C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
LF120AB electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
LF120C electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
TO-220 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
TO-220FP mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
DPAK mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
PPAK mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
DPAK and PPAK tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
Table 34.
Table 35.
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53
List of figures
LFXX
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Dropout voltage vs. output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Dropout voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
upply current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Supply current vs. input voltage (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Short-circuit current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Supply current vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 10. Logic-controlled precision 3.3/5.0 V selectable output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 11. Sequential multi-output supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 12. Multiple supply with ON/OFF toggle switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 13. Basic inhibit functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 14. Delayed turn-on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 15. Low voltage bulb blinker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 16. TO-220 (STD-ST dual gauge) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 17. TO-220 (STD-ST single gauge) package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 18. TO-220FP package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 19. TO-220 dual gauge tube outline (dimensions in mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 20. TO-220 single gauge tube outline(dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 21. DPAK package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 22. DPAK recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 23. PPAK package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 24. DPAK and PPAK tape outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 25. DPAK and PPAK reel outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4/53
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LFXX
Diagram
1
Diagram
Figure 1. Block diagram
DocID2574 Rev 28
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Pin configuration
LFXX
2
Pin configuration
Figure 2. Pin connections (top view)
TO-220
TO-220FP
DPAK
PPAK
Note:
TAB is electrically connected to GND on TO-220, PPAK and DPAK packages
6/53
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LFXX
Maximum ratings
3
Maximum ratings
Table 1. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VI
IO
DC input voltage
Output current
-0.5 to 40(1)
V
A
Internally limited
Internally limited
PTOT
Power dissipation
W
Storage temperature
range
TSTG
TOP
-40 to 150
-40 to 125
°C
°C
Operating junction
temperature range
1. For 18 < V < 40 the regulator is in shutdown.
I
Table 2. Thermal data
Symbol
Parameter
TO-220
TO-220FP DPAK/PPAK
Unit
RthJC Thermal resistance junction-case
RthJA Thermal resistance junction-ambient
5
5
8
°C/W
°C/W
50
60
100
Figure 3. Test circuit
LFXX
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53
Electrical characteristics
LFXX
4
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 3. LF15AB electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 3.5 V
Min.
Typ.
Max.
Unit
I
1.485
1.5
1.515
1.530
16
VO
V
IO = 50 mA, VI = 3.5 V, Ta = -25 to 85 °C 1.470
VI
IO
Operating input voltage
Output current limit
Line regulation
IO = 500 mA
2.5
V
A
1
2
ΔVO
ΔVO
VI = 2.5 to 16 V, IO = 5 mA
VI = 2.8 V, IO = 5 to 500 mA
VI = 2.5 to 16 V, IO = 0 mA
10
10
1
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 2.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
65
50
1
100
SVR Supply voltage rejection
IO = 5 mA, VI = 3.5 ± 1 V
dB
f = 10 kHz
eN
Vd
VIL
VIH
II
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
2
2
V
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
8/53
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LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 4. LF18AB electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 3.3 V
Min.
Typ.
Max.
Unit
I
1.782
1.8
1.818
1.836
16
VO
V
IO = 50 mA, VI = 3.3 V, Ta = -25 to 85 °C 1.764
VI
IO
Operating input voltage
Output current limit
Line regulation
IO = 500 mA
3
V
A
1
2
ΔVO
ΔVO
VI = 2.8 to 16 V, IO = 5 mA
VI = 3.3 V, IO = 5 to 500 mA
VI = 2.5 to 16 V, IO = 0 mA
12
10
1
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.1 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
60
50
0.7
100
SVR Supply voltage rejection
IO = 5 mA, VI = 3.5 ± 1 V
dB
f = 10 kHz
eN
Vd
VIL
VIH
II
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
2
2
V
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
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53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 5. LF18C electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 3.5 V
1.764
1.8
1.836
1.872
16
VO
V
IO = 50 mA, VI = 3.5 V, Ta = -25 to 85 °C 1.728
VI
IO
Operating input voltage
Output current limit
Line regulation
IO = 500 mA
3
V
A
1
2
ΔVO
ΔVO
VI = 2.8 to 16 V, IO = 5 mA
VI = 3.3 V, IO = 5 to 500 mA
VI = 2.5 to 16 V, IO = 0 mA
12
10
1
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.1 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
60
50
0.7
100
SVR Supply voltage rejection
IO = 5 mA, VI = 3.5 ± 1 V
dB
f = 10 kHz
eN
Vd
VIL
VIH
II
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
2
2
V
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
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LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 6. LF18C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 3.5 V, Ta = 25 °C
1.764
1.713
3
1.8
1.836
1.887
16
VO
Output voltage
V
IO = 50 mA, VI = 3.5 V
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
2
ΔVO
ΔVO
VI = 2.8 to 16 V, IO = 5 mA
VI = 3.3 V, IO = 5 to 500 mA
VI = 2.5 to 16 V, IO = 0 mA
15
15
2
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.1 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
60
50
0.2
0.4
120
IO = 5 mA, VI = 3.5 ± 1 V
Ta = 25 °C
SVR Supply voltage rejection
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
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Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 7. LF25AB electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 4.5 V
2.475
2.5
2.525
2.550
16
VO
V
IO = 50 mA, VI = 4.5 V, Ta = -25 to 85 °C 2.450
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
2
ΔVO
ΔVO
VI = 3.5 to 16 V, IO = 5 mA
VI = 3.8 V, IO = 5 to 500 mA
VI = 3.5 to 16 V, IO = 0 mA
12
12
1
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
65
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 4.5 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
12/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 8. LF25AB (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 4.5 V, Ta = 25 °C
2.475
2.435
2.5
2.525
2.565
16
VO
Output voltage
V
IO = 50 mA, VI = 4.5 V
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
2
ΔVO
ΔVO
VI = 3.5 to 16 V, IO = 5 mA
VI = 3.8 V, IO = 5 to 500 mA
VI = 3.5 to 16 V, IO = 0 mA
15
15
2
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
65
50
0.2
0.4
120
IO = 5 mA, VI = 4.5 ± 1 V
Ta = 25 °C
SVR Supply voltage rejection
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
13/53
53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 9. LF25C electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 4.5 V
2.45
2.4
2.5
2.55
2.6
16
VO
V
IO = 50 mA, VI = 4.5 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
2
ΔVO
ΔVO
VI = 3.5 to 16 V, IO = 5 mA
VI = 3.8 V, IO = 5 to 500 mA
VI = 3.5 to 16 V, IO = 0 mA
12
12
1
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
65
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 4.5 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
14/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 10. LF25C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 4.5 V, Ta = 25 °C
2.45
2.5
2.55
2.615
16
VO
Output voltage
V
IO = 50 mA, VI = 4.5 V
IO = 500 mA
2.385
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
2
ΔVO
ΔVO
VI = 3.5 to 16 V, IO = 5 mA
VI = 3.8 V, IO = 5 to 500 mA
VI = 3.5 to 16 V, IO = 0 mA
15
15
2
mV
mV
Load regulation
2
0.5
ON mode
mA
µA
VI = 3.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
82
77
65
50
0.2
0.4
120
IO = 5 mA, VI = 4.5 ± 1 V
Ta = 25 °C
SVR Supply voltage rejection
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
15/53
53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 11. LF33AB electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
3.267
Typ.
Max.
Unit
I
O = 50 mA, VI = 5.3 V
3.3
3.333
3.366
16
VO
V
IO = 50 mA, VI = 5.3 V, Ta = -25 to 85 °C 3.234
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
3
ΔVO
ΔVO
VI = 4.3 to 16 V, IO = 5 mA
VI = 4.6 V, IO = 5 to 500 mA
VI = 4.3 to 16 V, IO = 0 mA
16
16
1
mV
mV
Load regulation
3
0.5
ON mode
mA
µA
VI = 4.6 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
80
75
65
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 5.3 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
16/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 12. LF33C electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 5.3 V
Min.
Typ.
Max.
Unit
I
3.234
3.3
3.366
3.432
16
VO
V
IO = 50 mA, VI = 5.3 V, Ta = -25 to 85 °C 3.168
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
3
ΔVO
ΔVO
VI = 4.3 to 16 V, IO = 5 mA
VI = 4.6 V, IO = 5 to 500 mA
VI = 4.3 to 16 V, IO = 0 mA
16
16
1
mV
mV
Load regulation
3
0.5
ON mode
mA
µA
VI = 4.6 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
80
75
65
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 5.3 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
17/53
53
Electrical characteristics
LFXX
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 13. LF33C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 5.3 V, Ta = 25 °C
3.234
3.153
3.3
3.366
3.447
16
VO
Output voltage
V
IO = 50 mA, VI = 5.3 V,
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
3
ΔVO
ΔVO
VI = 4.3 to 16 V, IO = 5 mA
VI = 4.6 V, IO = 5 to 500 mA
VI = 4.3 to 16 V, IO = 0 mA
19
19
2
mV
mV
Load regulation
3
0.5
ON mode
mA
µA
VI = 4.6 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
80
75
65
50
0.2
0.4
120
IO = 5 mA, VI = 5.3 ± 1 V
Ta = 25 °C
SVR Supply voltage rejection
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
18/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 14. LF50AB electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 7 V
Min.
Typ.
Max.
Unit
I
4.95
4.9
5
5.05
5.1
16
VO
V
IO = 50 mA, VI = 7 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
5
ΔVO
ΔVO
VI = 6 to 16 V, IO = 5 mA
VI = 6.3 V, IO = 5 to 500 mA
VI = 6 to 16 V, IO = 0 mA
25
25
1
mV
mV
Load regulation
5
0.5
ON mode
mA
µA
VI = 6.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
76
71
60
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 7 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
19/53
53
Electrical characteristics
LFXX
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 15. LF50AB (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 7 V, Ta = 25 °C
4.95
5
5.05
5.115
16
VO
Output voltage
V
IO = 50 mA, VI = 7 V
IO = 500 mA
4.885
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
5
ΔVO
ΔVO
VI = 6 to 16 V, IO = 5 mA
VI = 6.3 V, IO = 5 to 500 mA
VI = 6 to 16 V, IO = 0 mA
28
28
2
mV
mV
Load regulation
5
0.5
ON mode
mA
µA
VI = 6.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
76
71
60
50
0.2
0.4
120
I
O = 5 mA, VI = 7 ± 1 V
SVR Supply voltage rejection
dB
Ta = 25 °C
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
20/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 16. LF50C electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 7 V
Min.
Typ.
Max.
Unit
I
4.9
4.8
5
5.1
5.2
16
VO
V
IO = 50 mA, VI = 7 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
5
ΔVO
ΔVO
VI = 6 to 16 V, IO = 5 mA
VI = 6.3 V, IO = 5 to 500 mA
VI = 6 to 16 V, IO = 0 mA
25
25
1
mV
mV
Load regulation
5
0.5
ON mode
mA
µA
VI = 6.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
76
71
60
50
0.2
0.4
100
SVR Supply voltage rejection
IO = 5 mA, VI = 7 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 6 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
21/53
53
Electrical characteristics
LFXX
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 17. LF50C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 7 V, Ta = 25 °C
4.9
5
5.1
5.215
16
VO
Output voltage
V
IO = 50 mA, VI = 7 V
IO = 500 mA
4.785
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
5
ΔVO
ΔVO
VI = 6 to 16 V, IO = 5 mA
VI = 6.3 V, IO = 5 to 500 mA
VI = 6 to 16 V, IO = 0 mA
28
28
2
mV
mV
Load regulation
5
0.5
ON mode
mA
µA
VI = 6.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 6 V
OFF mode
f = 120 Hz
f = 1 kHz
50
76
71
60
50
0.2
0.4
120
I
O = 5 mA, VI = 7 ± 1 V
SVR Supply voltage rejection
dB
Ta = 25 °C
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 6 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
22/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 18. LF60AB electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 8 V
Min.
Typ.
Max.
Unit
I
5.94
5.88
6
6.06
6.12
16
VO
V
IO = 50 mA, VI = 8 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
6
ΔVO
ΔVO
VI = 7 to 16 V, IO = 5 mA
VI = 7.3 V, IO = 5 to 500 mA
VI = 7 to 16 V, IO = 0 mA
30
30
mV
mV
Load regulation
6
0.7
1.5
ON mode
mA
µA
VI = 7.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
75
70
60
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 8 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
23/53
53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 19. LF60C electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 8 V
5.88
5.76
6
6.12
6.24
16
VO
V
IO = 50 mA, VI = 8 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
6
ΔVO
ΔVO
VI = 7 to 16 V, IO = 5 mA
VI = 7.3 V, IO = 5 to 500 mA
VI = 7 to 16 V, IO = 0 mA
30
30
mV
mV
Load regulation
6
0.7
1.5
ON mode
mA
µA
VI = 7.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
75
70
60
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 8 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
24/53
DocID2574 Rev 28
LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 20. LF80AB electrical characteristics
Symbol
Parameter
Test conditions
O = 50 mA, VI = 10 V
Min.
Typ.
Max.
Unit
I
7.92
7.84
8
8.08
8.16
16
VO
Output voltage
V
IO = 50 mA, VI = 10 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
8
ΔVO
ΔVO
VI = 9 to 16 V, IO = 5 mA
VI = 9.3 V, IO = 5 to 500 mA
VI = 9 to 16 V, IO = 0 mA
40
40
mV
mV
Load regulation
8
0.7
1.5
ON mode
mA
µA
VI = 9.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
72
67
57
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 10 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
25/53
53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 21. LF80C electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 10 V
7.84
7.68
8
8.16
8.32
16
VO
V
IO = 50 mA, VI = 10 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
8
ΔVO
ΔVO
VI = 9 to 16 V, IO = 5 mA
VI = 9.3 V, IO = 5 to 500 mA
VI = 9 to 16 V, IO = 0 mA
40
40
mV
mV
Load regulation
8
0.7
1.5
ON mode
mA
µA
VI = 9.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
72
67
57
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 10 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
26/53
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LFXX
Electrical characteristics
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 22. LF80C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 10 V, Ta = 25 °C
7.84
8
8.16
8.335
16
VO
Output voltage
V
IO = 50 mA, VI = 10 V
IO = 500 mA
7.665
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
8
ΔVO
ΔVO
VI = 9 to 16 V, IO = 5 mA
VI = 9.3 V, IO = 5 to 500 mA
VI = 9 to 16 V, IO = 0 mA
44
44
mV
mV
Load regulation
8
0.7
2.5
ON mode
mA
µA
VI = 9.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
72
67
57
50
0.2
0.4
160
I
O = 5 mA, VI = 10 ± 1 V
SVR Supply voltage rejection
dB
Ta = 25 °C
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 9 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
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53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 23. LF85AB electrical characteristics
Test conditions
Symbol
Parameter
Output voltage
Min.
8.415
Typ.
Max.
Unit
I
O = 50 mA, VI = 10.5 V
8.5
8.585
8.67
16
VO
V
IO = 50 mA, VI = 10.5 V, Ta = -25 to 85 °C 8.33
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
8
ΔVO
ΔVO
VI = 9.5 to 16 V, IO = 5 mA
VI = 9.8 V, IO = 5 to 500 mA
VI = 9.5 to 16 V, IO = 0 mA
42
42
mV
mV
Load regulation
8
0.7
1.5
ON mode
mA
µA
VI = 9.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
70
72
67
57
50
0.2
0.4
140
SVR Supply voltage rejection
I
O = 5 mA, VI = 10.5 ± 1 V f = 1 kHz
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
28/53
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LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 24. LF85C electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 10.5 V
Min.
Typ.
Max.
Unit
I
8.33
8.5
8.67
8.84
16
VO
V
IO = 50 mA, VI = 10.5 V, Ta = -25 to 85 °C 8.16
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
8
ΔVO
ΔVO
VI = 9.5 to 16 V, IO = 5 mA
VI = 9.8 V, IO = 5 to 500 mA
VI = 9.5 to 16 V, IO = 0 mA
42
42
mV
mV
Load regulation
8
0.7
1.5
ON mode
mA
µA
VI = 9.8 to 16 V,
IO= 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
70
72
67
57
50
0.2
0.4
140
SVR Supply voltage rejection
I
O = 5 mA, VI = 10.5 ± 1 V f = 1 kHz
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 9 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
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53
Electrical characteristics
LFXX
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 25. LF85C (automotive grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
I
O = 50 mA, VI = 10.5 V, Ta = 25 °C
8.33
8.5
8.67
8.855
16
VO
Output voltage
V
IO = 50 mA, VI = 10.5 V
IO = 500 mA
8.145
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
Ta = 25 °C
1
8
ΔVO
ΔVO
VI = 9.5 to 16 V, IO = 5 mA
VI = 9.8 V, IO = 5 to 500 mA
VI = 9.5 to 16 V, IO = 0 mA
44
44
mV
mV
Load regulation
8
0.7
2.5
ON mode
mA
µA
VI = 9.8 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 9 V
OFF mode
f = 120 Hz
f = 1 kHz
70
72
67
57
50
0.2
0.4
160
IO = 5 mA, VI = 10.5 ± 1 V
Ta = 25 °C
SVR Supply voltage rejection
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz, Ta = 25 °C
IO = 200 mA
µV
V
1.3
1.3
0.8
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
V
V
2
2
VI = 9 V, VC = 6 V, Ta = 25 °C
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
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LFXX
Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 26. LF90C electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 11 V
Min.
Typ.
Max.
Unit
I
8.82
8.64
9
9.18
9.36
16
VO
V
IO = 50 mA, VI = 11 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
9
ΔVO
ΔVO
VI = 10 to 16 V, IO = 5 mA
VI = 10.3 V, IO = 5 to 500 mA
VI = 10 to 16 V, IO = 0 mA
45
45
mV
mV
Load regulation
9
0.7
1.5
ON mode
mA
µA
VI = 10.3 to 16V,
IO = 500 mA
Id
Quiescent current
12
VI = 10 V
OFF mode
f = 120 Hz
f = 1 kHz
70
71
66
56
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 11 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 10 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
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53
Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 27. LF120AB electrical characteristics
Test conditions Min.
O = 50 mA, VI = 15 V
Symbol
Parameter
Output voltage
Typ.
Max.
Unit
I
11.88
11.76
12
12.12
12.24
16
VO
V
IO = 50 mA, VI = 15 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
ΔVO
ΔVO
VI = 13 to 16 V, IO = 5 mA
VI = 13.3 V, IO = 5 to 500 mA
VI = 13 to 16 V, IO = 0 mA
12
12
0.7
60
60
mV
mV
Load regulation
1.5
ON mode
mA
µA
VI = 13.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 13 V
OFF mode
f = 120 Hz
f = 1 kHz
70
69
64
54
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 14 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 13 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
32/53
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Electrical characteristics
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Table 28. LF120C electrical characteristics
Symbol
Parameter
Output voltage
Test conditions
O = 50 mA, VI = 14 V
Min.
Typ.
Max.
Unit
I
11.76
11.52
12
12.24
12.48
16
VO
V
IO = 50 mA, VI = 14 V, Ta = -25 to 85 °C
IO = 500 mA
VI
IO
Operating input voltage
Output current limit
Line regulation
V
A
1
ΔVO
ΔVO
VI = 13 to 16 V, IO = 5 mA
VI = 13.3 V, IO = 5 to 500 mA
VI = 13 to 16 V, IO = 0 mA
12
12
0.7
60
60
mV
mV
Load regulation
1.5
ON mode
mA
µA
VI = 13.3 to 16 V,
IO = 500 mA
Id
Quiescent current
12
VI = 13 V
OFF mode
f = 120 Hz
f = 1 kHz
70
69
64
54
50
0.2
0.4
140
SVR Supply voltage rejection
IO = 5 mA, VI = 14 ± 1 V
dB
f = 10 kHz
eN
Vd
Output noise voltage
Dropout voltage
B = 10 Hz to 100 kHz
IO = 200 mA
µV
V
0.35
0.7
IO = 500 mA
VIL
VIH
II
Control input logic low
Control input logic high
Control input current
Ta = -40 to 125 °C
Ta = -40 to 125 °C
VI = 13 V, VC = 6 V
0.8
V
V
2
2
10
10
µA
Output bypass
capacitance
CO
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
µF
DocID2574 Rev 28
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53
Typical performance characteristics
LFXX
5
Typical performance characteristics
Figure 4. Dropout voltage vs. output current
Figure 5. Dropout voltage vs. temperature
Figure 6. upply current vs. input voltage
Figure 7. Supply current vs. input voltage
(no load)
Figure 8. Short-circuit current vs. input voltage
Figure 9. Supply current vs. temperature
Note:
Unless otherwise specified VO(NOM) = 3.3 V
DocID2574 Rev 28
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LFXX
Typical performance characteristics
Figure 10. Logic-controlled precision 3.3/5.0 V selectable output
Figure 11. Sequential multi-output supply
DocID2574 Rev 28
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53
Typical performance characteristics
LFXX
Figure 12. Multiple supply with ON/OFF toggle switch
Figure 13. Basic inhibit functions
LFXX
LFXX
LFXX
LFXX
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DocID2574 Rev 28
LFXX
Typical performance characteristics
Figure 14. Delayed turn-on
LFXX
Figure 15. Low voltage bulb blinker
DocID2574 Rev 28
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53
Package information
LFXX
6
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
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LFXX
Package information
6.1
TO-220 package information
Figure 16. TO-220 (STD-ST dual gauge) package outline
0015988_S
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Package information
LFXX
Figure 17. TO-220 (STD-ST single gauge) package outline
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LFXX
Package information
Table 29. TO-220 mechanical data
Type STD - ST dual gauge Type STD - ST single gauge
Dim.
mm
mm
Min.
Typ.
Max.
Min.
Typ.
Max.
A
b
4.40
0.61
1.14
0.48
15.25
4.60
0.88
1.70
0.70
15.75
4.40
0.61
1.14
0.48
15.25
4.60
0.88
1.70
0.70
15.75
b1
c
D
D1
E
1.27
10.00
2.40
4.95
1.23
6.20
2.40
13.00
3.50
10.40
2.70
5.15
1.32
6.60
2.72
14.00
3.93
10.00
2.40
4.95
0.51
6.20
2.40
13.00
3.50
10.40
2.70
5.15
0.60
6.60
2.72
14.00
3.93
e
e1
F
H1
J1
L
L1
L20
L30
∅P
Q
16.40
28.90
16.40
28.90
3.75
2.65
3.85
2.95
3.75
2.65
3.85
2.95
Note:
Despite of some differences in tolerances, packages are compatible
DocID2574 Rev 28
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53
Package information
LFXX
Figure 18. TO-220FP package outline
7012510_Rev_K_B
42/53
DocID2574 Rev 28
LFXX
Package information
Table 30. TO-220FP mechanical data
mm
Dim.
Min.
Typ.
Max.
A
B
4.4
2.5
4.6
2.7
D
2.5
2.75
0.7
E
0.45
0.75
1.15
1.15
4.95
2.4
F
1
F1
F2
G
1.70
1.70
5.2
G1
H
2.7
10
10.4
L2
L3
L4
L5
L6
L7
Dia
16
28.6
9.8
2.9
15.9
9
30.6
10.6
3.6
16.4
9.3
3
3.2
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53
Package information
LFXX
6.2
TO-220 packing information
Figure 19. TO-220 dual gauge tube outline (dimensions in mm)
Figure 20. TO-220 single gauge tube outline(dimensions in mm)
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LFXX
Package information
6.3
DPAK package information
Figure 21. DPAK package outline
0068772_M_type_A
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53
Package information
LFXX
Table 31. DPAK mechanical data
mm
Dim.
Min.
Typ.
Max.
A
A1
A2
b
2.20
0.90
0.03
0.64
5.20
0.45
0.48
6.00
2.40
1.10
0.23
0.90
5.40
0.60
0.60
6.20
b4
c
c2
D
D1
E
5.10
6.40
6.60
E1
e
4.70
2.28
e1
H
4.40
9.35
1.00
4.60
10.10
1.50
L
(L1)
L2
L4
R
2.80
0.80
0.60
0°
1.00
8°
0.20
V2
Figure 22. DPAK recommended footprint
3
6.7
1.8
1.6
2.3
2.3
6.7
1.6
AM08850v1
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Package information
6.4
PPAK package information
Figure 23. PPAK package outline
0078180_F
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53
Package information
LFXX
Table 32. PPAK mechanical data
mm
Dim.
Min.
Typ.
Max.
A
A1
A2
B
2.2
0.9
2.4
1.1
0.23
0.6
5.4
0.6
0.6
6.2
0.03
0.4
B2
C
5.2
0.45
0.48
6
C2
D
D1
E
5.1
6.4
6.6
E1
e
4.7
1.27
G
4.9
5.25
2.7
10.1
1
G1
H
2.38
9.35
L2
L4
L5
L6
R
0.8
0.6
1
1
2.8
0.20
V2
0°
8°
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LFXX
Package information
6.5
DPAK and PPAK packing information
Figure 24. DPAK and PPAK tape outline
10 pitches cumulative
tolerance on tape +/- 0.2 mm
P0
D
Top cover
tape
P2
T
E
F
W
K0
B1
B0
For machine ref. only
including draft and
A0
D1
P1
radii concentric around B0
User direction of feed
R
Bending radius
User direction of feed
AM08852v1
DocID2574 Rev 28
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53
Package information
LFXX
Figure 25. DPAK and PPAK reel outline
T
REEL DIMENSIONS
40mm min.
Access hole
At sl ot location
B
D
C
N
A
G measured at hub
Full radius
Tape slot
in core for
tape start 25 mm min.
width
AM08851v2
Table 33. DPAK and PPAK tape and reel mechanical data
Tape Reel
mm
mm
Dim.
Dim.
Min.
Max.
Min.
Max.
A0
B0
B1
D
6.8
7
A
B
C
D
G
N
T
330
13.2
18.4
22.4
10.4
10.6
12.1
1.6
1.5
12.8
20.2
16.4
50
1.5
1.5
D1
E
1.65
7.4
1.85
7.6
F
K0
P0
P1
P2
R
2.55
3.9
2.75
4.1
Base qty.
Bulk qty.
2500
2500
7.9
8.1
1.9
2.1
40
T
0.25
15.7
0.35
16.3
W
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LFXX
Ordering information
7
Ordering information
Table 34. Order code
Packages
Output
voltages
TO-220
TO-220
TO-220FP
DPAK (tape and reel) PPAK (tape and reel)
(dual gauge)
LF15ABDT-TR
LF18CDT-TR
1.5 V
1.8 V
1.8 V
1.8 V
2.5 V
2.5 V
2.5 V
2.5 V
3.3 V
3.3 V
3.3 V
5 V
LF18CPT-TR
LF18CDT-TRY(1)
LF18ABDT-TR
LF25CDT-TR
LF18ABPT-TR
LF25CPT-TR
LF25CDT-TRY(1)
LF25ABDT-TR
LF25ABDT-TRY(1)
LF33CDT-TR
LF33CV
LF33CV-DG
LF33CPT-TR
LF33CDT-TRY(1)
LF33ABDT-TR
LF50CDT-TR
LF33CPT-TRY(1)
LF33ABV
LF50CV
LF33ABV-DG
LF50CV-DG
LF50CPT-TR
LF50CPT-TRY(1)
LF50ABPT-TR
LF50CDT-TRY(1)
LF50ABDT-TR
LF50ABDT-TRY(1)
LF60CDT-TR
5 V
LF50ABV
LF50ABV-DG
LF50ABP
5 V
5 V
LF60CV
6 V
LF60ABV
LF60ABDT-TR
LF80CDT-TR
6 V
8 V
LF80CDT-TRY(1)
LF80ABDT-TR
LF85CDT-TR
8 V
8 V
LF85CPT-TR
LF85CPT-TRY(1)
LF90CPT-TR
8.5 V
8.5 V
9 V
LF85CDT-TRY(1)
LF90CV
LF120CDT-TR
LF120ABDT-TR
12 V
12 V
LF120ABV
1. Automotive grade products.
DocID2574 Rev 28
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53
Revision history
LFXX
8
Revision history
Table 35. Document revision history
Changes
Date
Revision
21-Jun-2004
24-May-2006
02-Apr-2007
14-May-2007
26-Jul-2007
26-Nov-2007
14
15
16
17
18
19
Document updating.
Order codes updated.
Order codes updated.
Order codes updated.
Add table 1 in cover page.
Modified: Table 34.
Added new order codes for automotive grade products see Table 34 on
page 51.
16-Jan-2008
20
12-Feb-2008
10-Jul-2008
05-May-2010
16-Nov-2010
10-Feb-2012
09-Mar-2012
21
22
23
24
25
26
Modified: Table 34 on page 51.
Modified: Table 34 on page 51.
Added: Table 29 on page 41, fig 16, fig 17, fig 18 and fig 19.
Modified: RthJC value for TO-220 Table 2 on page 7.
Added: order code LF33CV-DG and LF33ABV-DG Table 34 on page 51.
Added: order code LF50ABV-DG Table 34 on page 51.
Changed the part numbers LFxxAB and LFxxC to LFXX.
Changed the title.
Removed table from cover page.
Removed PENTAWATT package from the figure in cover page, the Description
and Figure 2.
28-Feb-2014
03-Mar-2015
27
28
Updated the Description.
Updated: Table 2, Table 6, Table 8, Table 10, Table 13, Table 15, Table 17,
Table 22,Table 25 and Table 34.
Changed title of Figure 7.
Updated mechanical data.
Updated Table 34: Order code.
Minor text changes.
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IMPORTANT NOTICE – PLEASE READ CAREFULLY
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