TK11124CSCL [TOKO]
Fixed Positive LDO Regulator, 2.4V, 0.35V Dropout, PDSO5, PLASTIC, SOT-23, 5 PIN;
| 型号： | TK11124CSCL |
| 厂家： | 
TOKO, INC |
| 描述： | Fixed Positive LDO Regulator, 2.4V, 0.35V Dropout, PDSO5, PLASTIC, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总23页 (文件大小：298K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TK111xxCS
VOLTAGE REGULATOR WITH ON/OFF SWITCH
FEATURES
APPLICATIONS
n High Precision Output Voltage (± 1.5% or ± 50 mV)
n ActiveHighOn/OffControl
n BatteryPoweredSystems
n CellularTelephones
n Pagers
n Very Low Dropout Voltage (VDROP = 103 mV at 100 mA)
n Very Good Stability: CL = 0.1 mF is Stable For Any Type
Capacitor with VOUT ³ 1.8 V (IOUT > 0.5 mA)
n PersonalCommunicationsEquipment
n PortableInstrumentation
n PortableConsumerEquipment
n RadioControlSystems
n Toys
n Excellent Ripple Rejection Ratio (80 dB @ 1 kHz)
n Very Low Quiescent Current (IQ = 63 mA at IOUT = 0 mA)
n PeakOutputCurrentis320mA
n SOT23-5Package
n Wide Operating Voltage Range (1.8 V ~ 14 V)
n ReverseBiasandOvercurrentProtection
n Built-inThermalShutdown
TheTK111xxCcircuitfeaturesveryhighstability.Anoutput
capacitorof0.1mFprovidesstableoperationforVOUT ³2.0
V. Any type of capacitor can be used; however, the larger
this capacitor is, the better the overall characteristics are.
The ripple rejection ratio is 84 dB at 400 Hz, and 80 dB at
1 kHz.
n ShortCircuitProtection
DESCRIPTION
The TK111xxC is available in a SOT23-5 surface mount
package.
TheTK111xxCisalowdropoutlinearregulatorwithabuilt-
inelectronicswitch.Theinternalswitchcanbecontrolledby
TTL or CMOS logic levels. The device is in the “on” state
when the control pin is pulled to a logic high level. An
externalcapacitorcanbeconnectedtothenoisebypasspin
TK111xxC
to lower the output noise level to 30 µVRMS
.
V
IN
CONTROL
GND
An internal PNP pass transistor is used to achieve a low
dropout voltage of 80 mV (typ.) at 50 mA load current. The
TK111xxC has a very low quiescent current of 63 µA (typ.)
atnoload.Theinternalthermalshutdowncircuitrylimitsthe
junctiontemperatureto150°C.Theloadcurrentisinternally
monitored and the device will shut down in the presence of
a short circuit or overcurrent condition at the output.
V
OUT
NOISE BYPASS
BLOCKDIAGRAM
V
OUT
V
5
IN
ORDERING INFORMATION
CONTROL
CIRCUIT
TK111 CS L
CONTROL
CONSTANT
CURRENT
SOURCE
Tape/Reel Code
Voltage Code
Package Code
Temp. Code
THERMAL &
OVER CURRENT
PROTECT
BANDGAP
REFERENCE
500 k
PACKAGE CODE:
S: SOT23-5
VOLTAGE CODE:
Refer to Table 1
TAPE/REEL CODE:
L: Tape Left
Reel Size = 3000 pcs.
2
GND
NOISE
BYPASS
TEMP. CODE:
C: -30 ~ 80°C
I : -40 ~ 85°C
January 22, 2002 TOKO, Inc.
Page1
TK111xxCS
ABSOLUTE MAXIMUM RATINGS TK111xxC (C RANK)
OperatingTemperatureRange..................... -30 to +80 °C
SupplyVoltage............................................... -0.4 to16 V
Noise Bypass Terminal Voltage ...................... -0.4 to 5 V
PowerDissipation(Note1) ................................. 500mW
Reverse Bias .................................................. -0.4 to 6 V
StorageTemperatureRange ..................... -55 to +150 °C
OperatingVoltageRange ............................... 1.8 to 14 V
Control Pin Voltage ....................................... -0.4 to 16 V
ShortCircuitCurrent............................................ 360 mA
TK111xxCSC ELECTRICAL CHARACTERISTICS (C RANK)
Test conditions: VIN = VOUT(TYP) + 1 V, VCONT ³ 1.8 V, TA = 25 °C, unless otherwise specified.
SYMBOL
VOUT
PARAMETER
Output Voltage
TEST CONDITIONS
See Table 1
MIN
TYP
MAX
UNITS
D V = 5 V (VIN = VOUT(TYP) + 1 V to
VOUT(TYP) + 6 V)
Line Reg
Load Reg
Line Regulation
Load Regulation
0.3
5
mV
IOUT = 5 mA to100 mA (Note 2)
IOUT = 5 mA to 200 mA (Note 2)
IOUT = 50 mA
11
27
28
64
mV
mV
mV
mV
mV
mV
mA
mA
mA
80
140
210
350
350
I
I
I
OUT = 100 mA
120
200
230
320
250
63
VDROP
Dropout Voltage (Note 3)
Maximum Output Current
OUT = 200 mA (VOUT ³ 2.4 V)
OUT = 180 mA (2.1 V £ VOUT < 2.4 V)
VOUT = VOUT(TYP) x 0.9
240
IOUTMAX
1.8 V £ VIN £ 2.1 V Reference Value
IOUT = 0 mA Excluding ICONT
VIN = 8 V, VCONT £ 0.15 V (Note 4)
IOUT = 50 mA
IQ
Quiescent Current
Standby Current
100
0.1
1.8
mA
ISTBY
IGND
0.0
1.0
Ground Pin Current
mA
CONTROL TERMINAL SPECIFICATIONS (Note 4)
ICONT
Control Current
VCONT = 1.8 V, Output ON
ON State
5
15
µA
V
1.6
VCONT
Control Voltage On
OFF State
0.6
V
Noise Bypass Terminal
Voltage
VREF
1.28
35
V
DVOUT / DTA
Temperature Coefficient
ppm / °C
Page2
January 22, 2002 TOKO, Inc.
TK111xxCS
TK111xxCSC ELECTRICAL CHARACTERISTICS - C RANK (CONT)
Test conditions: VIN = VOUT(TYP) + 1 V, VCONT ³ 1.8 V, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
Output Noise
TEST CONDITIONS
VOUT = 3 V, f = 1 kHz
MIN
TYP
0.20
45
MAX
UNITS
mV / ÖHz
mVRMS
VNO
VOUT = 3 V, at BW 400 Hz to 80 kHz
f = 400 Hz, CL = 1.0 mF, CN = 0.01 mF,
VNOISE = 200 mVRMS, VIN = VOUT(TYP) + 1.5
V, IOUT = 10 mA
84
80
dB
dB
RR
Ripple Rejection
f = 1 kHz, CL = 1.0 mF, CN = 0.01 mF,
VNOISE = 200 mVRMS, VIN = VOUT(TYP) + 1.5
V, IOUT = 10 mA
Note 1: Power dissipation is 150 mW in free air. Power dissipation is 500 mW when mounted as recommended. Derate at 4.0 mW / °C for
operation above 25 °C.
Note 2: This value depends on the output voltage. (This is a value for a VOUT = 3 V device.)
Note 3: The minimum operating Voltage for VIN can be 2.1 V. Also, the minimum voltage required for VIN is VIN = VDROP + VOUT. As a result,
operating at VOUT £ 2.0 V at the minimum operating voltage is not preferred.
Note 4: The input current decreases to the pA level by connecting the control terminal to GND (Off State). The internal pull-down resistor is 500 KW.
General Note: Parameters with only typical values are just reference. (Not guaranteed)
General Note: Limits are guaranteed by production testing or correction techniques using Statistical Quality Control (SQC) methods. Unless
otherwise noted, VIN = VOUT(TYP) + 1 V, IOUT = 5 mA (Tj = 25 °C). The operation of -30 °C to + 80 °C is guaranteed in the design by
a usual inspection.
General Note: Exceeding the “Absolute Maximum Rating” may damage the device.
General Note: Connecting a capacitor to the noise bypass pin can decrease the output noise voltage.
January 22, 2002 TOKO, Inc.
Page3
TK111xxCS
ABSOLUTE MAXIMUM RATINGS TK111xxC
SupplyVoltage............................................... -0.4 to16 V
Noise Bypass Terminal Voltage ...................... -0.4 to 5 V
PowerDissipation(Note1) ................................. 500mW
Reverse Bias .................................................. -0.4 to 6 V
StorageTemperatureRange ..................... -55 to +150 °C
OperatingTemperatureRange..................... -40 to +85 °C
OperatingVoltageRange ............................... 2.1 to 14 V
Control Pin Voltage ....................................... -0.4 to 16 V
ShortCircuitCurrent............................................ 360 mA
TK111xxCSI ELECTRICAL CHARACTERISTICS (I RANK)
Test conditions: VIN = VOUT(TYP) + 1 V, IOUT = 5 mA, TA = 25 °C, Boldfaced type specifications apply over the full operating
temperature Rang (-40 to +85 °C).
SYMBOL
PARAMETER
Output Voltage
TEST CONDITIONS
See Table 1
MIN
TYP
0.3
11
MAX
UNITS
VOUT
D V = 5 V, (VVIN = VOUT(TYP) + 1 V to
VOUT(TYP) + 6 V)
5
Line Reg Line Regulation
Load Reg Load Regulation
mV
mV
mV
mV
8
28
IOUT = 5 mA to100 mA (Note 2)
IOUT = 5 mA to 200 mA (Note 2)
34
27
64
90
80
140
180
210
270
350
390
350
390
IOUT = 50 mA
120
200
230
320
63
IOUT = 100 mA
mV
mV
VDROP
Dropout Voltage (Note 3)
IOUT = 200 mA (VOUT ³ 2.4 V)
IOUT = 180 mA (2.1 V £ VOUT < 2.4 V)
mV
mA
mA
mA
240
IOUT(MAX)
Maximum Output Current VOUT = VOUT(TYP) x 0.9
220
100
120
0.1
0.5
1.8
IQ
Quiescent Current
IOUT = 0 mA Excluding ICONT
0.0
1.0
VCC = 8 V, VCONT £ 0.15 V (OFF State)
(Note 4)
ISTBY
Standby Current
IGND
Ground Pin Current
IOUT = 50 mA
mA
Page4
January 22, 2002 TOKO, Inc.
TK111xxCS
TK111xxCSI ELECTRICAL CHARACTERISTICS - I RANK (CONT)
Test conditions: VIN = VOUT(TYP) + 1 V, IOUT = 5 mA, TA = 25 °C, Boldfaced type specifications apply over the full operating
temperature Rang (-40 to +85 °C).
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
CONTROL TERMINAL SPECIFICATIONS (Note 4)
ICONT
Control Current
Control Voltage
VCONT = 1.8 V, Output ON
5
15
µA
V
ON State
1.6
1.9
VCONT
OFF State
0.6
V
0.35
Noise Bypass Terminal
Voltage
VREF
1.28
V
DVOUT / DTA
Temperature Coefficient
25
0.20
45
ppm / °C
mV / ÖHz
V
OUT = 3 V, f = 1kHz
VNO
Output Noise Voltage
VOUT = 3 V, at BW 400 Hz to 80 kHz
mVRMS
f = 400 Hz, CL = 1.0 mF, CN = 0.01 mF,
VNOISE = 200 mVRMS, VIN = VOUT(TYP)
1.5 V, IOUT = 10 mA
+
84
80
dB
RR
Ripple Rejection
f = 1 kHz, CL = 1.0 mF, CN = 0.01 mF,
VNOISE = 200 mVRMS, VIN = VOUT(TYP)
1.5 V, IOUT = 10 mA
+
dB
Note 1: Power dissipation is 150 mW in free air. Power dissipation is 500 mW when mounted as recommended. Derate at 4.0 mW / °C for
operation above 25 °C.
Note 2: This value depends on the output voltage. (This is a value for a VOUT = 3 V device.)
Note 3: The minimum operating Voltage for VIN can be 2.1 V. Also, the minimum voltage required for VIN is VIN = VDROP + VOUT. As a result,
operating at VOUT £ 2.0 V at the minimum operating voltage is not preferred.
Note 4: The input current decreases to the pA level by connecting the control terminal to GND (Off State). The internal pull-down resistor is 500 KW.
General Note: Parameters with only typical values are just reference. (Not guaranteed)
General Note: Limits are guaranteed by production testing or correction techniques using Statistical Quality Control (SQC) methods. Unless
otherwise noted, VIN = VOUT(TYP) + 1 V, IOUT = 5 mA (Tj = 25 °C). The operation of -40 °C to + 85 °C is guaranteed in the design by
a usual inspection.
General Note: Exceeding the “Absolute Maximum Rating” may damage the device.
General Note: Connecting a capacitor to the noise bypass pin can decrease the output noise voltage.
January 22, 2002 TOKO, Inc.
Page5
TK111xxCS
TK111xxCSC ELECTRICAL CHARACTERISTICS TABLE 1
TA = 25 °C, IOUT = 5 mA, VIN = VOUT(TYP) + 1 V
Standard Temp. Range Spec. Extended Temp. Range. Spec.
Room Temp (TA = 25°C) Full Temp (TA = -40 to 85°C)
Output
Voltage
Voltage
Code
Availability
VOUT Min
VOUT Max
VOUT Min
VOUT Max
1.5 V
1.6 V
1.7 V
1.8 V
15
16
17
18
1.450 V
1.550 V
1.650 V
1.750 V
1.550 V
1.650 V
1.750 V
1.850 V
1.420 V
1.520 V
1.620 V
1.720 V
1.580 V
1.680 V
1.780 V
1.880 V
*
*
*
*
1.9 V
19
1.850 V
1.950 V
1.820 V
1.980 V
2.0 V
2.1 V
2.2 V
2.3 V
2.4 V
2.5 V
2.6 V
2.7 V
20
21
22
23
24
25
26
27
1.950 V
2.050 V
2.150 V
2.250 V
2.350 V
2.450 V
2.550 V
2.650 V
2.050 V
2.150 V
2.250 V
2.350 V
2.450 V
2.550 V
2.650 V
2.750 V
1.920 V
2.020 V
2.120 V
2.220 V
2.320 V
2.420 V
2.520 V
2.620 V
2.080 V
2.180 V
2.280 V
2.380 V
2.480 V
2.580 V
2.680 V
2.780 V
*
*
*
*
*
*
*
*
*
2.8 V
2.9 V
3.0 V
3.1 V
3.2 V
3.3 V
3.4 V
3.5 V
28
29
30
31
32
33
34
35
2.750 V
2.850 V
2.950 V
3.050 V
3.150 V
3.250 V
3.349 V
3.447 V
2.850 V
2.950 V
3.050 V
3.150 V
3.250 V
3.350 V
3.451 V
3.553 V
2.720 V
2.820 V
2.920 V
3.020 V
3.120 V
3.217 V
3.315 V
3.412 V
2.880 V
2.980 V
3.080 V
3.180 V
3.280 V
3.383 V
3.485 V
3.588 V
*
Page6
January 22, 2002 TOKO, Inc.
TK111xxCS
TK111xxCSC ELECTRICAL CHARACTERISTICS TABLE 1 (CONT)
TA = 25 °C, IOUT = 5 mA, VIN = VOUT(TYP) + 1 V
Standard Temp. Range Spec.
Room Temp (TA = 25°C)
Extended Temp. Range. Spec.
Full Temp (TA = -40 to 85°C)
Output
Voltage
Voltage
Code
Availability
VOUT Min
VOUT Max
VOUT Min
VOUT Max
3.6 V
3.7 V
3.8 V
3.9 V
4.0 V
4.1 V
4.2 V
4.3 V
4.4 V
4.5 V
4.6 V
4.7 V
4.8 V
4.9 V
5.0 V
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
3.546 V
3.644 V
3.743 V
3.841 V
3.940 V
4.038 V
4.137 V
4.235 V
4.334 V
4.432 V
4.531 V
4.629 V
4.728 V
4.826 V
4.925 V
3.654 V
3.756 V
3.857 V
3.959 V
4.060 V
4.162 V
4.263 V
4.365 V
4.466 V
4.568 V
4.669 V
4.771 V
4.872 V
4.974 V
5.075 V
3.510 V
3.607 V
3.705 V
3.802 V
3.900 V
3.997 V
4.095 V
4.192 V
4.290 V
4.387 V
4.485 V
4.582 V
4.680 V
4.777 V
4.875 V
3.690 V
3.793 V
3.895 V
3.998 V
4.100 V
4.203 V
4.305 V
4.408 V
4.510 V
4.613 V
4.715 V
4.818 V
4.920 V
5.023 V
5.125 V
*
*
*
*
*
*
Note: * Denotes voltage presently available.
Consult factory for availability of other voltages.
January 22, 2002 TOKO, Inc.
Page7
TK111xxCS
TEST CIRCUIT
I
IN
V
IN
V
OUT
+
V
IN
CL= 0.22 µF
(CL = 0.1 µF)
C
IN = 0.1 µF
I
OUT
A
CONT
I
CONT
C
N
= 0.01 µF
V
CONT
GND
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, unless otherwise specified.
OutputNoise
NOISE vs. I
NOISE vs V
TK11130S NOISE vs. C
OUT
OUT
N
70
65
300
250
C
= 0.01µF
CL = CERAMIC
N
I
= 30 mA
OUT
♦
CL = 0.22 µF
70
60
♠
C
= 0.01 µF
CL = 0.47 µF
N
L
CL = 0.22 µF
♦
♠
CL = 1.0 µF
C
= 1.0 µF
60
55
50
45
40
35
CL Tantalum
CL = 0.47 µF
CL = 1.0 µF
CL = 2.2 µF
CL = 10 µF
♠
CL = 2.2 µF
200
150
CL = 10 µF
50
40
30
♦
CL = TANTALUM
♦
♠
100
50
0
BPF = 400 Hz ~ 80 kHz
I
= 30 mA
OUT
BPF = 400 Hz ~ 80 kHz
20
10
30
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
(V)
0
25 50 75 100 125 150 175 200
(mA)
0
10
100 1000 10000 100000
(pF)
V
I
C
OUT
OUT
N
For better noise reduction, it is more effective to increase CN without increasing CL. The recommended CN capacitance is
6800 pF (682) or 0.01 mF (103). As the output voltage increases, the noise will also increase.
NOISE vs. I
NOISE vs. FREQUENCY
OUT
= 0.01 µF
10
1
70
65
C
N
TK11130CS
C
= 10 µF
IN
CL = 0.22 µF (CERAMIC)
= 10 mA
CL = 0.22 µF
CL = 0.47 µF
CL = 1.0 µF
CL = 2.2 µF
CL = 10 µF
♦
♠
60
55
50
45
40
35
I
OUT
C
= 0.01 µF
N
CL = CERAMIC
C
= 0.10 µF
♦
0.1
N
♠
0.01
30
0.01
0.1
1
10
100
0
25 50 75 100 125 150 175 200
(mA)
I
FREQUENCY (kHz)
OUT
Page8
January 22, 2002 TOKO, Inc.
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
RippleRejection
MLCC stands for Multi Layer Ceramic
Capacitor.
0
10
20
500 mVp-p
Input Wave Form
CL = 0.22 µF (MLCC)
30
40
V
IN
50
GND
60
70
80
90
CL = 1.0 µF (MLCC)
V
V
OUT
IN
TK111xxC
CL
100
0.1
1
10
FREQUENCY (kHz)
100
1000
C
0.01 µF
NP
V
CONT
VIN = 5.0 V, (VIN = VOUT(TYP) + 2 V), VOUT = 3.0 V, IOUT = 10 mA
VR = 500 mVp-p, f = 100 ~ 1 MHz, CN = 0.01 mF, CIN = 0 mF
GND
0
0
10
10
20
20
B: CL = 1.0 µF (MLCC)
C
= 0.1 µF = 0.01 µF (MLCC)
30
40
N
30
40
50
50
60
70
60
70
80
80
A: CL = 10 µF (MLCC)
90
90
100
100
0.1
1
10
100
1000
0.1
1
10
FREQUENCY (kHz)
100
1000
FREQUENCY (kHz)
The ripple rejection characteristic depends on the characteristic and the capacitance value of the capacitor connected to
the output side. The RR characterisic of 50 kHz or more varies greatly with the capacitor on the output side and the PCB
pattern. If necessary, please confirm stability while operating.
RIPPLE REJECTION vs. I
OUT
RIPPLE REJECTION
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
C
= 0.01 µF
N
C
= 0.01 µF
N
CL = 0.22 µF (CERAMIC)
CL = 0.22 µF (Ceramic)
= 5.0 V
I
: 1, 50, 100, 150, 200 mA
OUT
V
IN
V
= 100 mVp-p
RIPPLE
V
= 500 mVp-p
RIPPLE
FREQ: 1 kHz
0
20 40 60 80 100 120 140 160 180 200
(mA)
0
0.2
V
0.4
- V
0.6
0.8
1
I
-
OUT
IN
OUT TYP (V)
January 22, 2002 TOKO, Inc.
Page9
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
ON / OFF TRANSIENT
Condition: VCONT = 0 V to 2 V, f =100 Hz, IOUT = 30 mA, CIN = 1.0 mF
CL = VARIABLE
C
= 0.001 µF
N
ON
OFF
2.0 V/div
V
10 µs/div
CONT
CL = 0.22 µF
CL = 2.2 µF
CL = 10 µF
V
OUT
1.0 V/div
10 µs/div
C
= VARIABLE CL = 2.2 µF
C
= VARIABLE CL = 2.2 µF
N
N
ON
ON
2.0 V/div
1 ms/div
OFF
OFF
V
V
2.0 V/div
100 µs/div
CONT
CONT
C
C
= 100 pF
C
C
= 0.001 µF
= 0.01 µF
N
N
N
N
= 0.001 µF
C
= 0.01 µF
N
C
= 0.1 µF
1.0 V/div
1 ms/div
N
1.0 V/div
100 µs/div
V
OUT
V
OUT
Page10
January 22, 2002 TOKO, Inc.
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
LOADTRANSIENT
LOAD TRANSIENT 1
35 to 5 mA STEP
I
OUT
V
= 2.0 V,
CONT
= 1.0 µF
C
IN
CL = 2.2 µF,
= 0.001 µF,
C
N
V
OUT
50 mV/div
10 µs/div
LOAD TRANSIENT 2
LOAD TRANSIENT 3
35 to 5 mA STEP
5 to 35 mA STEP
I
OUT
I
OUT
C
= 0.001 µF
C
= 0.001 µF
N
N
V
OUT
CL = 0.22 µF
CL = 2.2 µF
CL = 10 µF
CL = 2.2 µF
V
OUT
CL = 10 µF
50 mV/div
5 µs/div
50 mV/div
5 µs/div
CL = 0.22 µF
LOAD TRANSIENT 5
LOAD TRANSIENT 4
I
OUT
I
OUT
V
OUT
I
= 0 to 30 mA STEP
OUT
V
OUT
I
= 30 to 0 mA STEP
OUT
100 mV/div
10 µs / div
V
OUT
I
= 5 to 35 mA STEP
I
= 35 to 5 mA STEP
OUT
OUT
50 mV/div
1.0 ms/div
I
OUT
January 22, 2002 TOKO, Inc.
Page11
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
LINETRANSIENT
LINE TRANSIENT 2
LINE TRANSIENT 1
C
= 0.001 µF
5.0 V
N
5.0 V
V
IN
V
IN
4.0 V
4.0 V
CL = 0.22 µF
V
OUT
V
OUT
V
OUT
CL = 2.2 µF
V
OUT
CL = 2.2 µF
N
C
= 0.001 µF
10 mV/div
100 µs/div
10 mV/div
100 µs/div
CL = 10 µF
Conditions: IOUT = 30 mA, VCONT = 2.0 V, CIN = 1.0 mF
LINE TRANSIENT 3
CL = 2.2 µF
5.0 V
V
IN
4.0 V
C
= 0.001 µF
= 0.01 µF
N
V
OUT
V
OUT
V
OUT
C
N
10 mV/div
100 µs/div
C
= 0.1 µF
N
LOAD REGULATION
LINE REGULATION
15
10
5
10
5
0
V
= 2.0 V
OUT
-5
0
-5
-10
-15
V
= 1.5 V
= 2.0 V
= 3.0 V
= 4.0 V
= 5.0 V
OUT
-10
-15
V
OUT
-20
-25
V
OUT
V
= 5.0 V
OUT
V
OUT
-20
-25
V
OUT
-30
-35
-40
-30
-35
0
50
100
(mA)
150
200
0
5
10
(V)
15
20
I
V
OUT
IN
Page12
January 22, 2002 TOKO, Inc.
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
DROPOUT VOLTAGE vs.
OUTPUT CURRENT
REGULATION POINT
20
0
0
-20
I
= 0
OUT
-20
-40
-60
-40
-60
-80
-80
-100
-100
-120
-140
-160
I
= 200 mA
OUT
-120
-140
-160
-180
I
= 50 mA Steps
OUT
-180
-200
0
40
80
120
160 200
-100
0
100
∆ V (mV)
200
300
I
(mA)
OUT
IN
MAXIMUM OUTPUT CURRENT
DURING LOW VOLTAGE
OPERATION
SHORT CIRCUIT CURRENT
5.0
4.0
350
300
250
200
150
100
3.0
2.0
1.0
50
0
0.0
0
100 200
I
300
(mA)
400 500
1.7 1.8 1.9
2
2.1 2.2 2.3 2.4
(V)
V
OUT
IN
REVERSE BIAS CURRENT vs.
REVERSE BIAS VOLTAGE
STANDBY CURRENT vs.
INPUT VOLTAGE
60
50
40
1.0E-06
1.0E-07
1.0E-08
V
= 2V
OUT
30
20
1.0E-09
1.0E-10
V
= 5V
OUT
10
0
1.0E-11
1.0E-12
0
1
2
3
4
5
6
(V)
7
8
9
10
0
5
10
(V)
15
20
V
V
REV
IN
January 22, 2002 TOKO, Inc.
Page13
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
GROUND PIN CURRENT vs.
OUTPUT CURRENT
CONTROL CURRENT vs.
CONTROL VOLTAGE
20.0
18.0
16.0
14.0
12.0
10.0
8.0
10
9
V
OUT
8
7
6
5
4
3
I
CONT
6.0
4.0
2
1
0
2.0
0.0
0.0
1.0
2.0
3.0
(V)
4.0
5.0
0
50
100
(mA)
150
200
V
I
CONT
OUT
GROUND PIN CURRENT vs.
TEMPERATURE
MAXIMUM OUTPUT CURRENT vs.
TEMPERATURE
12.0
10.0
8.0
400
380
I
= 200 mA
OUT
360
340
320
300
I
= 150 mA
OUT
6.0
4.0
I
= 100 mA
OUT
280
I
= 60 mA
2.0
0.0
OUT
V
= V
- 0.3 V
OUT(TYP)
260
240
OUT
I
= 30 mA
OUT
-50 -25
0
25
(°C)
50
75 100
-50 -25
0
25
(°C)
50
75 100
T
T
A
A
DROPOUT VOLTAGE vs.
TEMPERATURE
CONTROL CURRENT vs.
TEMPERATURE
300
250
200
18.0
16.0
14.0
V
= 1.8, 2.0, 3.0, 4.0
CONT
I
= 200 mA
OUT
V
= 4.0 V
CONT
I
= 150 mA
OUT
12.0
10.0
8.0
I
= 100 mA
OUT
150
100
I
= 60 mA
OUT
6.0
4.0
50
0
I
= 30 mA
OUT
V
= 1.8 V
2.0
0.0
CONT
-50 -25
0
25
(°C)
50
75 100
-50 -25
0
25
(°C)
50
75 100
T
T
A
A
Page14
January 22, 2002 TOKO, Inc.
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
ON / OFF KNEE VOLTAGE vs.
TEMPERATURE
TK11115 OUTPUT VOLTAGE vs.
TEMPERATURE
20
15
10
5
1.6
1.5
1.4
1.3
V
(ON Point)
CONT
0
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-5
-10
-15
V
(OFF Point)
CONT
-20
-25
-30
-35
-50 -25
0
25
T (°C)
A
50
75 100
-50 -25
0
25
(°C)
50
75 100
T
A
TK11120 OUTPUT VOLTAGE vs.
TEMPERATURE
TK11130 OUTPUT VOLTAGE vs.
TEMPERATURE
20
15
10
5
20
15
10
5
0
0
-5
-5
-10
-15
-10
-15
-20
-25
-30
-20
-25
V
= 3.0 V
OUT
35.3 PPM / °C
-30
-35
-50 -25
0
25
50
75 100
-50 -25
0
25
(°C)
50
75 100
T
T (°C)
A
A
TK11150 OUTPUT VOLTAGE vs.
TEMPERATURE
TK11140 OUTPUT VOLTAGE vs.
TEMPERATURE
20
15
10
5
30
25
20
15
10
5
0
-5
0
-5
-10
-15
-10
-15
-20
-25
-30
-35
-20
-25
-30
-35
-50 -25
0
25
50
75 100
-50 -25
0
25
50
75 100
T (°C)
A
T (°C)
A
January 22, 2002 TOKO, Inc.
Page15
TK111xxCS
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
TA = 25 °C, unless otherwise specified.
Low Output Voltage Device VIN - VOUT and IOUT - VOUT Characteristics
TK11115 V
vs. V
IN
TK11115 V
vs. I
OUT
OUT
OUT
1.6
1.5
1.4
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
V
= ≥ 2.0 V
IN
I
= 100 mA
= 150 mA
I
= 0 mA
OUT
OUT
1.3
1.2
V
= 1.8 V
= 1.9 V
IN
I
OUT
I
= 200 mA
V
OUT
IN
1.1
1.0
I
= 50 mA
OUT
1.2 1.4
1.6
V
1.8
2.0
2.0
0
100
200
I
OUT
300 400 500
(mA)
(V)
IN
TK11118 V
vs. I
TK11118 V
vs. V
OUT
OUT
OUT
IN
1.9
1.8
1.7
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
V
= ≥ 2.0 V
IN
I
= 50 mA
OUT
I
= 100 mA
= 150 mA
= 200 mA
V
= 1.8 V
OUT
IN
1.6
1.5
I
= 0 mA
OUT
I
OUT
V
= 1.9 V
IN
I
1.4
1.3
OUT
1.3 1.5
1.7
V
1.9
2.1
2.3
0
100
200
I
300 400 500
(mA)
(V)
IN
OUT
TK11120 V
vs. I
OUT
OUT
TK11120 V
vs. V
OUT
IN
2.1
2.0
1.9
2.00
1.80
1.60
1.40
V
= ≥ 2.1 V
IN
I
= 50 mA
OUT
1.20
1.00
0.80
0.60
0.40
0.20
0.00
V
= 1.8 V
= 1.9 V
I
= 100 mA
= 150 mA
IN
OUT
1.8
1.7
I
= 0 mA
OUT
V
IN
I
OUT
V
= 2.0 V
I
= 200 mA
IN
OUT
1.6
1.5
0
100
200
(mA)
OUT
300
400
1.5 1.7
1.9
V
2.1
(V)
2.3
2.5
I
IN
Page16
January 22, 2002 TOKO, Inc.
TK111xxCS
DEFINITION AND EXPLANATION OF TECHNICAL TERMS
OUTPUTVOLTAGE(VOUT
)
specified with 200 mVRMS, 400 Hz and 1 kHz signal
superimposedontheinputvoltage, whereVIN =VOUT+1.5V.
The output decoupling capacitor is set to 1.0 µF, the noise
bypass capacitor is set to 0.01 µF, and the load current is
setto10mA.Ripplerejectionistheratiooftheripplecontent
of the output vs. the input and is expressed in dB. Ripple
rejection can be improved by increasing the noise bypass
capacitor(however,theon/offresponsetimewillincrease).
TheoutputvoltageisspecifiedwithVIN =VOUT(TYP) +1Vand
IOUT = 5 mA.
MAXIMUMOUTPUTCURRENT(IOUT(MAX)
)
The rated output current is specified under the condition
wheretheoutputvoltagedrops0.9timesthevaluespecified
with IOUT = 5 mA. The input voltage is set to VOUT(TYP) +1 V,
and the current is pulsed to minimize any temperature
effect. The output current decreases during low voltage
operation. Pleaserefertothegraphsonthepreviouspage
for 2.1 V or less.
STANDBYCURRENT(ISTBY
)
Standby current is the current into the regulator when the
output is turned off by the control function. It is measured
with an input voltage of 8 V.
DROPOUTVOLTAGE(VDROP
)
OVERCURRENTSENSOR
The dropout voltage is the difference between the input
voltage and the output voltage at which point the regulator
starts to fall out of regulation (this is the point when the
outputvoltagedecreasesby100mV).Belowthisvalue,the
output voltage will fall as the input voltage is reduced. It is
dependentupontheloadcurrentandthejunctiontemperature.
The overcurrent sensor protects the device when there is
excessive output current. It also protects the device if the
output is accidentally shorted to ground.
THERMALSENSOR
The thermal sensor protects the device if the junction
temperature exceeds the safe value (Tj = 150 °C). This
temperaturerisecanbecausedbyextremeheat,excessive
power dissipation caused by large output voltage drops, or
excessive output current. The regulator will shut off when
the temperature exceeds the safe value. As the junction
temperature decreases, the regulator will begin to operate
again.Undersustainedfaultconditions,theregulatoroutput
will oscillate as the device turns off then resets. Damage
may occur to the device under extreme fault conditions.
LINE REGULATION (Line Reg)
Line regulation is the ability of the regulator to maintain a
constant output voltage as the input voltage changes. The
line regulation is specified as the input voltage is changed
from VIN = VOUT + 1 V to VIN = VOUT + 6 V. It is a pulsed
measurement to minimize temperature effects.
LOADREGULATION(LoadReg)
Load regulation is the ability of the regulator to maintain a
constant output voltage as the load current changes. It is a
pulsed measurement to minimize temperature effects with
theinputvoltagesettoVIN =VOUT +1V. Theloadregulation
isspecifiedundertwooutputcurrentstepconditionsof5mA
to 100 mA and 5 mA to 200 mA.
REVERSEVOLTAGEPROTECTION
Reverse voltage protection prevents damage due to the
outputvoltagebeinghigherthantheinputvoltage.Thisfault
condition can occur when the output capacitor remains
chargedandtheinputisreducedtozero,orwhenanexternal
voltagehigherthantheinputvoltageisappliedtotheoutput
side. Toko’s regulators do not need an inherent diode
connected between the input and output. The maximum
reverse bias voltage is 6 V.
QUIESCENTCURRENT(IQ)
Thequiescentcurrentisthecurrentwhichflowsthroughthe
GND terminal under no load conditions (IOUT = 0 mA).
GROUNDPINCURRENT(IGND
)
Thegroundpincurrentisthecurrentwhichflowsthroughthe
GND terminal according to load current. It is measured by
(inputcurrent-outputcurrent).
V
V
IN
OUT
GND
RIPPLE REJECTIONRATIO (RR)
ESD MM
200 pF 0 W
200 V Min
HBM 100 pF 1.5 kW 200 V Min
Ripplerejectionistheabilityoftheregulatortoattenuatethe
ripple content of the input voltage at the output. It is
January 22, 2002 TOKO, Inc.
Page17
TK111xxCS
DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.)
PACKAGEPOWERDISSIPATION(PD)
The range of usable currents can also be found from the
graphbelow.
This is the power dissipation level at which the thermal
sensor is activated. The IC contains an internal thermal
sensorwhichmonitorsthejunctiontemperature. Whenthe
junction temperature exceeds the monitor threshold of
150 °C,theICisshutdown.Thejunctiontemperaturerises
asthedifferencebetweentheinputpower(VIN xIIN)andthe
output power (VOUT x IOUT) increases. The rate of tempera-
ture rise is greatly affected by the mounting pad configura-
tion on the PCB, the board material, and the ambient
temperature. When the IC mounting has good thermal
conductivity,thejunctiontemperaturewillbelowevenifthe
power dissipation is large. When mounted on the recom-
mendedmountingpad,thepowerdissipationoftheSOT23-
5 is increased to 500 mW. For operation at ambient
temperatures over 25 °C, the power dissipation of the
SOT23-5 device should be derated at 4.0 mW/ °C. To
determinethepowerdissipationforshutdownwhenmounted,
attach the device on the actual PCB and deliberately
increase the output current (or raise the input voltage) until
the thermal protection circuit is activated. Calculate the
power dissipation of the device by subtracting the output
power from the input power. These measurements should
allow for the ambient temperature of the PCB. The value
obtained from PD /(150 °C - TA) is the derating factor. The
PCB mounting pad should provide maximum thermal con-
ductivity in order to maintain low device temperatures. As
a general rule, the lower the temperature, the better the
reliability of the device. The thermal resistance when
mounted is expressed as follows:
P
D (mW)
PD
2
D
PD
5
3
4
0
0
100
(75)
(°C)
150
25
50
T
A
Procedure:
1) Find PD
2) PD1 is taken to be PD x (~0.8 - 0.9)
3) Plot PD1 against 25 °C
4) ConnectPD1 tothepointcorrespondingtothe150°Cwith
a straight line.
5) In design, take a vertical line from the maximum
operating temperature (e.g., 75 °C) to the derating curve.
6) Read off the value of PD against the point at which the
vertical line intersects the derating curve. This is taken as
the maximum power dissipation, DPD
.
The maximum operating current is:
IOUT = (DPD / (VIN(MAX) -VOUT
)
Tj = 0jA x PD + TA
For Toko ICs, the internal limit for junction temperature is
150 °C. If the ambient temperature (TA) is 25 °C, then:
150 °C = 0jA x PD + 25 °C
0jA = 125 °C / PD
0jA = 125 °C / PD (°C / mW)
PD is the value when the thermal protection circuit is
activated. A simple way to determine PD is to calculate VIN
xIIN whentheoutputsideisshorted.Inputcurrentgradually
falls as temperature rises. You should use the value when
thermal equilibrium is reached.
Page18
January 22, 2002 TOKO, Inc.
TK111xxCS
APPLICATION INFORMATION (CONT.)
BOARDLAYOUT
V
IN
V
OUT
+
+
ON / OFF
SOT23-5BOARDLAYOUT
500
-4.0 mW / °C
MOUNTED
150
0
FREE AIR
0
100
50
150
25
(85)
TEMPERATURE(°C)
January 22, 2002 TOKO, Inc.
Page19
TK111xxCS
APPLICATION INFORMATION (CONT.)
ApplicationHint
On / Off Control
V
SAT
It is recommended to turn the regulator Off when the circuit following the
regulator is not operating. A design with little electric power loss can be
implemented.Werecommendtheuseoftheon/offcontroloftheregulator
without using a high side switch to provide an output from the regulator. A
highly accurate output voltage with low voltage drop is obtained.
REG
On / Off
Because the control current is small, it is possible to control it directly by CMOS logic. The PULLDOWN resistance is built
into the control terminal (500 kW). The noise and ripple rejection characteristics depend on the capacitance on the Noise
Bypass teminal. The ripple rejection characteristic of the low frequency region improves by increasing the capacitance of
CN. AstandardvalueisCN =0.0068mF.IncreaseCN inadesignwithimportantoutputnoiseandripplerejectionrequirements.
The IC will not be damaged if the capacitor value is increased. The switching speed of off / on changes depending on the
capacitance at the Noise Bypass terminal. The switching speed slows when the capacitance is large.
Parallel Connected ON / OFF Control
5 V
V
TK11150C
IN
If there is an overheating concern because the power loss
of the low voltage output (TK11120) IC is large, it may be
necessary to decrease the electric power loss by using the
3.3 V
TK11133C
resistor (R) as shown in the left figure.
R
When the thermal protection circuit works, a decrease of
2.0 V
the output voltage, oscillation, etc. are observed.
TK11120C
On / Off Control
Page20
January 22, 2002 TOKO, Inc.
TK111xxCS
APPLICATION INFORMATION
INPUT-OUTPUTCAPACITORS
Linearregulatorsrequireinputandoutputcapacitorsinordertomaintaintheregulator’sloopstability.Theequivalentseries
resistance(ESR)oftheoutputcapacitormustbeinthestableoperationarea. However, itisrecommendedtouseaslarge
a value of capacitance as is practical. The output noise and the ripple noise decrease as the capacitance value increases.
The IC is never damaged by enlarging the capacitance.
ESRvaluesvarywidelybetweenceramicandtantalumcapacitors. However, tantalumcapacitorsareassumedtoprovide
more ESR damping resistance, which provides greater circuit stability. This implies that a higher level of circuit stability
can be obtained by using tantalum capacitors when compared to ceramic capacitors with similar values. The IC provides
stable operation with an output side capacitor of 0.22 mF (VOUT ³ 2.0 V). If the capacitor is 0.1mF or more over its full range
of temperature, either a ceramic capacitor or tantalum capacitor can be used without considering ESR (VOUT ³ 2.0 V).
For output voltage device ³ 2.0 V applications, the recommended value of CL ³ 0.10 mF.
For output voltage device ³ 1.5 V applications, the recommended value of CL ³ 0.22 mF.
For load current £ 0.5 mA, increase the output capacitor to 1 mF.
The input capacitor is necessary when the battery is
V
IN
V
OUT
discharged, thepowersupplyimpedanceincreases, orthe
line distance to the power supply is long. This capacitor
mightbenecessaryoneachindividualICeveniftwoormore
regulator ICs are used. It is not possible to determine this
indiscriminately.Pleaseconfirmthestabilitywhilemounted.
TK111xxCS
C
= 0.22 µF
IN
CL = 0.22 µF
C
= 0.01 µF
N
STABLE OPERATION AREA vs. VOLTAGE, CURRENT AND ESR
V
OUT
= 4.0 V
V
OUT
= 2.0 V
V
OUT
= 3.0 V
V
OUT
= 5.0 V
V
OUT
= 1.5 V - 1.9 V
100
100
100
100
100
10
1
10
1
10
1
10
1
10
1
STABLE AREA
CL = 0.1 µ F
STABLE AREA
CL = 0.068 µ F
STABLE AREA
CL = 0.068 µ F
STABLE AREA
CL = 0.068 µ F
STABLE AREA
CL = 0.068 µ F
0.1
0.1
0.1
0.1
0.1
0 .01
0 .01
0 .01
0 .01
0 .01
0
50
100
(mA)
150
0
50
100
(mA)
150
0
50
100
(mA)
150
0
50
I
OUT
100
(mA)
150
0
50
100
(mA)
150
I
I
I
I
OUT
OUT
OUT
OUT
All Stable
All Stable
CL ≥0.22 µ F
CL ≥0.1 µ F
Please increase the output capacitor value when the load current is 0.5 mA or less. The stability of the regulator improves
if a big output side capacitor is used (the stable operation area extends).
Forevaluation KYOCERA: CM05B104K10AB, CM05B224K10AB, CM105B104K16A, CM105B224K16A, CM21B225K10A
MURATA:
GRM36B104K10, GRM42B104K10, GRM39B104K25, GRM39B224K10, GRM39B105K6.3
January 22, 2002 TOKO, Inc.
Page21
TK111xxCS
APPLICATION INFORMATION (CONT.)
BiasVoltageandTemperatureCharacteristicsofCeramicCapacitors
Generally, a ceramic capacitor has both a temperature characteristic and a voltage characteristic. Please consider
both characteristics when selecting the part. The B curves are the recommended characteristics.
CAPACITANCE vs. VOLTAGE
CAPACITANCE vs. TEMPERATURE
100
90
100
90
B CURVE
B CURVE
80
70
60
50
80
70
60
50
F CURVE
F CURVE
0
2
4
6
8
10
0
2
4
6
(°C)
8
10
BIAS VOLTAGE (V)
T
A
Page22
January 22, 2002 TOKO, Inc.
TK111xxCS
PACKAGE OUTLINE
MarkingInformation
SOT23-5
Product Code
R
0.7
TK111xxCS
Stamps
Voltage Code
15
16
17
18
19
20
21
22
23
24
25
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
Typ e
Code
TK11115CS
TK11116CS
TK11117CS
TK11118CS
TK11119CS
TK11120CS
TK11121CS
TK11122CS
TK11123CS
TK11124CS
TK11125CS
TK11127CS
TK11128CS
TK11129CS
TK11130CS
TK11131CS
TK11132CS
TK11133CS
TK11134CS
TK11135CS
TK11136CS
TK11137CS
TK11138CS
TK11139CS
TK11140CS
TK11141CS
TK11142CS
TK11143CS
TK11144CS
TK11145CS
TK11146CS
TK11147CS
TK11148CS
TK11149CS
TK11150CS
5
4
Voltage
Code
x
R
x
0.95
0.95
2
3
1
1.90
0.4 ±0.1
Recommended Mount Pad
0.95
0.95
2.9
1.6
2.8 ±0.3
0.1
48
49
50
Dimensions are shown in millimeters
Tolerance: x.x = ± 0.2 mm (unless otherwise specified)
Toko America, Inc. Headquarters
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864
TOKO AMERICA REGIONAL OFFICES
MidwestRegionalOffice
TokoAmerica, Inc.
1250FeehanvilleDrive
MountProspect,IL60056
Tel:(847)297-0070
SemiconductorTechnicalSupport
TokoDesignCenter
4755ForgeRoad
ColoradoSprings,CO80907
Tel:(719)528-2200
Fax:(719)528-2375
Fax:(847)699-7864
VisitourInternetsiteathttp://www.tokoam.com
TheinformationfurnishedbyTOKO,Inc.isbelievedtobeaccurateandreliable.However,TOKOreservestherighttomakechangesorimprovementsinthedesign,specificationormanufactureofitsproducts
withoutfurthernotice.TOKOdoesnotassumeanyliabilityarisingfromtheapplicationoruseofanyproductorcircuitdescribedherein,norforanyinfringementsofpatentsorotherrightsofthirdpartieswhichmay
resultfromtheuseofitsproducts.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofTOKO,Inc. TOKO’sproductsarenotauthorizedforuseascriticalcomponentsinlifesupport
devicesorsystemswithouttheexpresswrittenapprovalofthepresidentofToko,Incorporated.
January 22, 2002 TOKO, Inc.
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