TK71541 datasheet(1/13 Pages) TOKO

Il numero della parte	TK71541

Spiegazioni elettronici	LOW DROPOUT VOLTAGE REGULATOR

PDF	13 Pages

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Produttore elettronici	TOKO [TOKO, Inc]

Homepage	http://www.toko.com

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January 1999 TOKO, Inc.

Page 1

TK715xx

GND

VIN

VOUT

THERMAL

PROTECTION

+

-

+

-

BANDGAP

REFERENCE

FEATURES

s High Voltage Precision at

± 2.0% or ± 60 mV

s Very Low Quiescent Current

s Very Low Dropout Voltage

s Reverse Bias Protection

s Miniature Package (SOT-23-3)

s Short Circuit Protection

s High Ripple Rejection

APPLICATIONS

s Battery Powered Systems

s Cellular Telephones

s Pagers

s Personal Communications Equipment

s Portable Instrumentation

s Portable Consumer Equipment

s Radio Control Systems

s Toys

s Low Voltage Systems

BLOCK DIAGRAM

TK715xxS

GND

VOUT

VIN

DESCRIPTION

The TK715xx is a low dropout linear regulator housed in a

small SOT-23-3 package, rated at 350 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 64 dB ripple rejection and low noise

provide enhanced performance for critical applications.

TK715

SCL

ORDERING INFORMATION

VOLTAGE CODE

19 = 1.9 V

37 = 3.7 V

20 = 2.0 V

38 = 3.8 V

21 = 2.1 V

39 = 3.9 V

22 = 2.2 V

40 = 4.0 V

23 = 2.3 V

41 = 4.1 V

24 = 2.4 V

42 = 4.2 V

25 = 2.5 V

43 = 4.3 V

26 = 2.6 V

44 = 4.4 V

27 = 2.7 V

45 = 4.5 V

28 = 2.8 V

46 = 4.6 V

29 = 2.9 V

47 = 4.7 V

30 = 3.0 V

48 = 4.8 V

31 = 3.1 V

49 = 4.9 V

32 = 3.2 V

50 = 5.0 V

33 = 3.3 V

60 = 6.0 V

34 = 3.4 V

70 = 7.0 V

35 = 3.5 V

80 = 8.0 V

36 = 3.6 V

90 = 9.0 V

Voltage Code

Tape/ Reel Code

Temp. Code

Package Code

TAPE/REEL CODE

L: Tape Left

TEMPERATURE CODE

C -30 to +80 C

PACKAGE CODE

S : SOT-23-3

20P

LOW DROPOUT VOLTAGE REGULATOR

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