Datasheet > TK11124SI

TK11124SI

更新时间： 2023-01-03 06:31:59

品牌	Logo	应用领域
TOKO		光电二极管
页数	文件大小	规格书
16页	84K
描述
Fixed Positive LDO Regulator, 2.4V, 0.2V Dropout, PDSO5, MINIATURE, SOT-23, 5 PIN

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TK11124SI 数据手册

TK111xxS

VOLTAGE REGULATOR WITH ON/OFF SWITCH

APPLICATIONS

FEATURES

■ High Voltage Precision at ± 2.0% or ± 60 mV

■ Active High On/Off Control

■ Battery Powered Systems

■ Cellular Telephones

■ Pagers

■ Very Low Dropout Voltage (85 mV at 30 mA)

■ Very Low Noise

■ Personal Communications Equipment

■ Portable Instrumentation

■ Portable Consumer Equipment

■ Radio Control Systems

■ Toys

■ Miniature Package (SOT-23-5)

■ Internal Thermal Shutdown

■ Short Circuit Protection

■ Excellent Ripple Rejection (70 dB @ 1 kHz)

■ Reverse Bias Protection

DESCRIPTION

TheTK111xxSisalowdropoutlinearregulatorwithabuilt-

in electronic switch. The internal switch can be controlled

byTTLorCMOSlogiclevels. Thedeviceisinthe“on”state

when the control pin is pulled to a logic high level. An

external capacitor can be connected to the noise bypass

pin to lower the output noise level to 30 µVrms.

TK111xxS

CONTROL

GND

20P

An internal PNP pass transistor is used to achieve a low

dropout voltage of 85 mV (typ.) at 30 mA load current. The

TK111xxS has a very low quiescent current of 140 µA

(typ.) at no load . The standby current is 100 nA maximum.

The internal thermal shut down circuitry limits the junction

temperature to below 150 °C. The load current is internally

monitored and the device will shut down in the presence of

a short circuit or overcurrent condition at the output.

NOISE BYPASS

OUT

TheTK111xxSisavailableinaminiatureSOT-23-5surface

mount package.

BLOCK DIAGRAM

ORDERING INFORMATION

OUT

TK111 S L

THERMAL

PROTECTION

Tape/Reel Code

Voltage Code

Temp. Code

Package Code

CONTROL

Note 1: 2.0 to 2.3 V

available in C

temperature code

(-30 to +80 °C) only

VOLTAGE CODE

TAPE/REEL CODE

L: Tape Left

20 = 2.0 V

21 = 2.1 V

22 = 2.2 V

23 = 2.3 V

24 = 2.4 V

25 = 2.5 V

27 = 2.7 V

28 = 2.8 V

29 = 2.9 V

30 = 3.0 V

31 = 3.1 V

32 = 3.2 V

43 = 4.3 V

44 = 4.4 V

45 = 4.5 V

46 = 4.6 V

47 = 4.7 V

48 = 4.8 V

49 = 4.9 V

50 = 5.0 V

33 = 3.3 V

34 = 3.4 V

35 = 3.5 V

36 = 3.6 V

37 = 3.7 V

38 = 3.8 V

39 = 3.9 V

40 = 4.0 V

41 = 4.1 V

42 = 4.2 V

PACKAGE CODE

S: SOT-23-5

BANDGAP

REFERENCE

GND

TEMP. CODE

C: -30 to +80 °C

I: -40 to +85 °C

NOISE

BYPASS

March 1999 TOKO, Inc.

Page 1

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