KA78M05RTF_NL [FAIRCHILD]
Fixed Positive Standard Regulator, 5VPSSO3, LEAD FREE, TO-252, DPAK-3;
| 型号： | KA78M05RTF_NL |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | Fixed Positive Standard Regulator, 5VPSSO3, LEAD FREE, TO-252, DPAK-3 稳压器 调节器 输出元件 局域网 |
| 文件： | 总14页 (文件大小：91K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
www.fairchildsemi.com
KA78MXX
3-Terminal 0.5A Positive Voltage Regulator
Features
Description
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
The KA78MXX series of three terminal positive regulators
are available in the TO-220/D-PAK package with several
fixed output voltages making it useful in a wide range of
applications.
• Short Circuit Protection
• Output Transistor Safe Operating Area (SOA) Protection
TO-220
GND
1
D-PAK
GND
1
1. Input 2. GND 3. Output
Internal Block Diagram
INPUT
1
OUTPUT
3
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
R1
REFERENCE
VOLTAGE
STARTING
CIRCUIT
ERROR
AMPLIFIER
R2
THERMAL
PROTECTION
GND
2
Rev. 1.0.5
©2002 Fairchild Semiconductor Corporation
KA78MXX
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage (for V = 5V to 18V)
(for V = 24V)
O
V
V
35
40
V
V
O
I
I
Thermal Resistance Junction-Cases (Note1)
TO-220 (Tc = +25°C)
R
θJC
2.5
°C/W
Thermal Resistance Junction-Air (Note1,2)
TO-220 (Ta = +25°C)
D-PAK (Ta = +25°C)
R
θJA
66
92
°C/W
Operating Junction Temperature Range
Storage Temperature Range
T
0 ~ +150
°C
°C
OPR
T
-65 ~ +150
STG
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Electrical Characteristics (KA78M05/KA78M05R)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =10V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
J
4.8
5
5.2
Output Voltage
V
O
V
I
= 5 to 350mA
O
I
4.75
5
5.25
V = 7 to 20V
V = 7 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note3)
∆V
∆V
mV
O
O
T =+25°C
V = 8 to 25V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
100
50
O
O
J
Load Regulation (Note3)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T = +25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 8 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
40
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 8 to 18V, T = +25°C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
3. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
2
KA78MXX
Electrical Characteristics (KA78M06/KA78M06R) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =11V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T = +25°C
J
5.75
6
6.25
Output Voltage
V
O
V
I
= 5 to 350mA
O
I
5.7
6
6.3
V = 8 to 21V
V = 8 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T =+25°C
V = 9 to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
120
60
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T =+25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 9 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
45
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 9 to 19V, T = +25°C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
3
KA78MXX
Electrical Characteristics (KA78M08/KA78M08R) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =14V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
T = +25°C
J
7.7
8
8.3
Output Voltage
V
V
O
I
= 5 to 350mA
O
I
7.6
8
8.4
V = 10.5 to 23V
V = 10.5 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T =+25°C
V = 11 to 25V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
160
80
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T = +25°C
J
I
T = +25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 10.5 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
RR
-
-
-
-0.5
52
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 11.5 to 21.5V, T = +25°C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T =+25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
4
KA78MXX
Electrical Characteristics (KA78M12/KA78M12R) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =19V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
T = +25°C
J
11.5
12
12.5
Output Voltage
V
V
O
I
= 5 to 350mA
O
I
11.4
12
12.6
V = 14.5 to 27V
V = 14.5 to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T = +25°C
V = 16 to 30V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
240
120
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T =+25°C
J
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 14.5 to 30V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
75
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 15 to 25V, T = +25°C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
5
KA78MXX
Electrical Characteristics (KA78M15) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =23V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
J
14.4
15
15.6
Output Voltage
V
V
O
I
= 5 to 350mA
O
I
14.25 15
15.75
V = 17.5 to 30V
V = 17.5 to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T = +25°C
V = 20 to 30V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
300
150
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 17.5 to 30V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1
100
70
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 18.5 to 28.5V, T = +25°C
O
RR
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
6
KA78MXX
Electrical Characteristics (KA78M18) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =26V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
T = +25°C
J
17.3
18
18.7
Output Voltage
V
O
V
I
= 5 to 350mA
O
I
17.1
18
18.9
V = 20.5 to 33V
V = 21 to 33V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
mV
O
T =+25°C
V = 24 to 33V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
360
180
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
∆VΟ
mV
mA
= 5mA to 200mA, T = +25°C
J
I
T =+25°C
4.2
-
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 21 to 33V
Output Voltage Drift
Output Noise Voltage
∆V/∆T
I
= 5mAT = 0 to 125°C
-
-
-1.1
100
-
-
mV/°C
µV/Vo
O
J
V
N
f = 10Hz to 100kHz
f = 120Hz, I =300mA , V =22 to 32V
T = +25°C
J
O
I
Ripple Rejection
RR
-
70
-
dB
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I =500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V =35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
7
KA78MXX
Electrical Characteristics (KA78M24) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =33V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T = +25°C
J
23
24
25
Output Voltage
V
V
O
I
= 5 to 350mA
O
I
22.8
24
25.2
V = 27 to 38V
V = 27 to 38V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
T = +25°C
V = 28 to 38V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
480
240
6
O
O
J
Load Regulation
mV
mA
O
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T = +25°C
4.2
-
Q
J
I
= 5mA to 350mA
= 200mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 27 to 38V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1.2
170
70
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 28 to 38V, T = +25°C
O
RR
dB
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25 °C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
8
KA78MXX
Typical Applications
3
1
V
I
KA78MXX
2
V
O
C
O
C
I
0.1µF
0.3µF
Figure 1. Fixed Output Regulator
3
1
V
I
KA78MXX
2
C
O
C
I
VXX
0.33µF
0.1µF
I
O
I
O
R
1
Vxx
I
=
+I
O
R
1
O
Figure 2. Constant Current Regulator
Notes:
1. To specify an output voltage, substitute voltage value for "XX"
2. Although no output capacitor is needed for stability, it does improve transient response.
3. Required if regulator is located an appreciable distance from power Supply filter
3
1
V
V
O
I
KA78MXX
2
V
XX
C
O
C
I
R
1
0.33µF
0.1µF
I
O
R
2
I
≥ 5I
O
R1
O
V
= V (1+R /R ) +I R
XX O 2
2
1
Figure 3. Circuit for Increasing Output Voltage
9
KA78MXX
1
3
V
I
V
O
KA78M05
2
0.1µF
C
O
C
I
2
3
0.33µF
7
6
LM741
10kΩ
4
Figure 4. Adjustable Output Regulator (7 to 30V)
13V < V < 25V
I
1
3
V
I
V
V
KA78M05
2
O
R4
910Ω
C1
0.33µF
VXX
R5
9.1kΩ
C2
0.1µF
7
_
2
3
LM741
+
R
R
4
R3
R1
6
= Vxx
O
10kΩ
1
4
-7 < -VI < 17V
Figure 5. 0.5 to 10V Regulator
10
KA78MXX
Mechanical Dimensions
Package
Dimensions in millimeters
TO-220
4.50 ±0.20
9.90 ±0.20
(8.70)
+0.10
–0.05
1.30
ø3.60 ±0.10
(45
°
)
1.27 ±0.10
1.52 ±0.10
0.80 ±0.10
+0.10
–0.05
0.50
2.40 ±0.20
2.54TYP
2.54TYP
[2.54 ±0.20
]
[2.54 ±0.20]
10.00 ±0.20
11
KA78MXX
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
D-PAK
6.60 ±0.20
5.34 ±0.30
2.30 ±0.10
0.50 ±0.10
(0.50)
(4.34)
(0.50)
MAX0.96
0.76 ±0.10
0.50 ±0.10
1.02 ±0.20
2.30 ±0.20
2.30TYP
2.30TYP
[2.30±0.20]
[2.30±0.20]
6.60 ±0.20
(5.34)
(5.04)
(1.50)
(2XR0.25)
0.76 ±0.10
12
KA78MXX
Ordering Information
Product Number
KA78M05
Package
Operating Temperature
KA78M06
KA78M08
KA78M12
TO-220
D-PAK
KA78M15
KA78M18
0 ~ +125°C
KA78M24
KA78M05R
KA78M06R
KA78M08R
KA78M12R
13
KA78MXX
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
11/12/02 0.0m 001
Stock#DSxxxxxxxx
2002 Fairchild Semiconductor Corporation
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