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TK71543ASCL PDF даташит

Спецификация TK71543ASCL изготовлена ​​​​«TOKO» и имеет функцию, называемую «LOW DROPOUT VOLTAGE REGULATOR».

Детали детали

Номер произв TK71543ASCL
Описание LOW DROPOUT VOLTAGE REGULATOR
Производители TOKO
логотип TOKO логотип 

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TK71543ASCL Даташит, Описание, Даташиты
TK715xxAS
FEATURES
n High Voltage Precision at ± 2.0% or ± 60 mV
n Very Low Quiescent Current
n Very Low Dropout Voltage
n Reverse Voltage Protection
n Miniature Package (SOT23-3)
n Short Circuit Protection
n High Ripple Rejection
n Can use Multilayer Ceramic Capacitors
LOW DROPOUT VOLTAGE REGULATOR
APPLICATIONS
n Battery Powered Systems
n Cellular Telephones
n Pagers
n Personal Communications Equipment
n Portable Instrumentation
n Portable Consumer Equipment
n Radio Control Systems
n Toys
n Low Voltage Systems
DESCRIPTION
The TK715xx is a low dropout linear regulator housed in a
small SOT23-3 package, rated at 400 mW. An internal
PNP transistor is used to achieve a low dropout voltage of
105 mV (typ.) at 50 mA load current. This device offers
high precision output voltage of ± 2.0 % or ± 60 mV. The
TK715xx has a very low quiescent current of 25 µA (typ.)
at no load. The low quiescent current and dropout voltage
make this part ideal for battery powered applications. The
internal reverse bias protection eliminates the requirement
for a reverse voltage protection diode, saving cost and
board space. The high 60 dB ripple rejection and low noise
provide enhanced performance for critical applications.
TK715xxAS
VIN VOUT
3020TP
GND
ORDERING INFORMATION
TK715 ASCL
Voltage Code
Tape/ Reel Code
Temp. Code
Package Code
VOLTAGE CODE
15 = 1.5 V
35 = 3.5 V
16 = 1.6 V
36 = 3.6 V
17 = 1.7 V
37 = 3.7 V
18 = 1.8 V
38 = 3.8 V
19 = 1.9 V
39 = 3.9 V
20 = 2.0 V
40 = 4.0 V
21 = 2.1 V
41 = 4.1 V
22 = 2.2 V
42 = 4.2 V
23 = 2.3 V
43 = 4.3 V
24 = 2.4 V
44 = 4.4 V
25 = 2.5 V
45 = 4.5 V
26 = 2.6 V
46 = 4.6 V
27 = 2.7 V
47 = 4.7 V
28 = 2.8 V
48 = 4.8 V
29 = 2.9 V
49 = 4.9 V
30 = 3.0 V
50 = 5.0 V
31 = 3.1 V
60 = 6.0 V
32 = 3.2 V
70 = 7.0 V
33 = 3.3 V
80 = 8.0 V
34 = 3.4 V
90 = 9.0 V
TEMPERATURE CODE
C -30 to +80 °C
PACKAGE CODE
S : SOT-23-3
TAPE/REEL CODE
L: Tape Left
VIN
BLOCK DIAGRAM
THERMAL
PROTECTION
-
+
BANDGAP
REFERENCE
-
+
VOUT
GND
March 2001 TOKO, Inc.
Page 1









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TK71543ASCL Даташит, Описание, Даташиты
TK715xxAS
ABSOLUTE MAXIMUM RATINGS (VOUT£ 5.0 V)
Supply Voltage ............................................. -0.4 to 19 V Operating Temperature (Ambient) ............ -30 to +80 °C
Power Dissipation (Note 1) ................................ 400 mW Max. Operating Temperature (Junction) ............. 125 °C
Reverse Bias ............................................................. 8 V Operating Voltage Range ........................... 1.8 to 18.0 V
Short Circuit Current ........................................... 170 mA Junction Temperature ......................................... 150 °C
Storage Temperature (Ambient) .............. -55 to +150 °C Lead Soldering Temperature (10 s) ..................... 235 °C
TK715xx ELECTRICAL CHARACTERISTICS (VOUT £ 5.0 V)
Test conditions: VIN = VOUT(TYP) + 1V, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
IQ
IGND
V
OUT
Line Reg
Quiescent Current
Ground Pin Current
Output Voltage
Line Regulation
Load Reg Load Regulation
VDROP
Dropout Voltage (Note 5)
IOUT = 0 mA
IOUT = 15 mA
I = 5 mA
OUT
VIN = VOUT(TYP) + 1 V to VOUT(TYP) + 6 V
IOUT = 5 to 100 mA, (Note 2)
IOUT = 50 mA
IOUT = 100 mA, 2.4 V £ VOUT £ 5.0 V
IOUT = 100 mA, 2.1 V £ VOUT £ 2.4 V
IOUT(MAX)
RR
Continuous Output Current
Ripple Rejection
1.8 V £ Vin £ 2.1 V (Note 3)
(Note 4)
25 45
300 500
See Table 1
3 12
18 36
0.105 0.18
0.16 0.28
0.16 0.30
115 155
70 90
60
µA
µA
V
mV
mV
V
V
V
mA
dB
VOUT / T Temperature Coefficient
IOUT = 5 mA
30 ppm/°C
Note 1: Power dissipation is 400 mW when mounted as recommended. Derate at 3.2 mW/°C for operation above 25 °C.
Note 2: Refer to Definition of Terms.
Note 3: Please refer to the Applications Section for more information.
Note 4: Ripple rejection is measured at VR = 200 mVrms, VIN = VOUT(TYP) + 2 V, IOUT = 10 mA, CL = 2.2 µF, f = 100 Hz.
Note 5: The minimum operating voltage for VIN can be 1.8 V. Also, the minimum voltage required for VIN is VIN = VDROP + VOUT. As a result, operating at
VOUT £ 2.0 V at the minimum input operating voltage is not preferred.
Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
Page 2
March 2001 TOKO, Inc.









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TK71543ASCL Даташит, Описание, Даташиты
TK715xxAS
ABSOLUTE MAXIMUM RATINGS (VOUT ³ 5.1 V)
Supply Voltage ............................................. -0.4 to 19 V Operating Temperature (Ambient) ............ -30 to +80 °C
Power Dissipation (Note 1) ................................ 400 mW Max. Operating Temperature (Junction) ............. 125 °C
Reverse Bias ............................................................. 8 V Operating Voltage Range .............................. 1.8 to 18 V
Short Circuit Current ........................................... 170 mA Junction Temperature ......................................... 150 °C
Storage Temperature (Ambient) .............. -55 to +150 °C Lead Soldering Temperature (10 s) ..................... 235 °C
TK715xx ELECTRICAL CHARACTERISTICS (VOUT ³ 5.1 V)
Test conditions: VIN = VOUT(TYP) + 1V, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
IQ
IGND
VOUT
Line Reg
Load Reg
VDROP
IOUT(MAX)
RR
Quiescent Current
Ground Pin Current
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Continuous Output Current
Ripple Rejection
IOUT = 0 mA
IOUT = 15 mA
IOUT = 5 mA
VIN = VOUT(TYP) + 1 V to
VOUT(TYP) + 6 V or Max 18 V
I = 5 to 100 mA, (Note 2)
OUT
IOUT = 50 mA
IOUT = 100 mA
(Note 3)
32 60
300 500
See Table 1
3 12
35 80
0.105 0.18
0.160 0.28
115 155
60
µA
µA
V
mV
mV
V
V
mA
dB
VOUT / T Temperature Coefficient
IOUT = 5 mA
30
Note 1: Power dissipation is 400 mW when mounted as recommended. Derate at 3.2 mW/°C for operation above 25 °C.
Note 2: Refer to Definition of Terms.
Note 3: Ripple rejection is measured at VR = 200 mVrms, VIN = VOUT(TYP) + 2 V, IOUT = 10 mA, CL = 2.2 µF, f = 100 Hz.
Gen. Note: Parameters with min. or max. values are 100% tested at TA = 25 °C.
ppm/°C
March 2001 TOKO, Inc.
Page 3










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