Datasheet > LK112SXX

LK112SXX

更新时间： 2024-11-22 04:20:19

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器
页数	文件大小	规格书
18页	412K
描述
Low noise low drop voltage regulator with shutdown function

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中文翻译

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数据手册

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LK112SXX 数据手册

LK112Sxx

Low noise low drop voltage regulator with shutdown function

Features

■ Output current up to 200 mA

■ Low dropout voltage (500 mV max at

= 200 mA)

OUT

■ Very low quiescent current: 0.1 µA in OFF

mode and max 250 µA in ON mode at

= 0 mA

OUT

SOT23-5L

■ Low output noise: typ 30 µV at I

= 60 mA

OUT

and 10 Hz < f < 80 kHz

■ Wide range of output voltages

■ Internal current and thermal limit

■ V tolerance 2% (at 25 °C)

capacitor can be used connected to the noise

bypass pin to lower the output noise level to 30

µVrms. An internal PNP pass transistor is used to

achieve a low dropout voltage.

OUT

■ Operative input voltage from:

+0.5 to 14 V (for V > 2 V)

OUT

The LK112Sxx has a very low quiescent current

in ON MODE while in OFF MODE the Iq is

reduced down to 100 nA max. The internal

thermal shutdown circuitry limits the junction

temperature to below 150 °C. The load current is

internally monitored and the device will shutdown

in the presence of a short circuit or overcurrent

condition at the output.

or from 2.5 V to 14 V (for V

< 2 V)

OUT

Description

The LK112Sxx is a low dropout linear regulator

with a built in electronic switch. The internal

switch can be controlled by TTL or CMOS logic

levels. The device is ON state when the control

pin is pulled to a logic high level. An external

Table 1.

Device summary

Part numbers

LK112SXX13

LK112SXX24

LK112SXX26

LK112SXX27

LK112SXX28

LK112SXX29

LK112SXX31

LK112SXX32

LK112SXX33

LK112SXX34

LK112SXX35

LK112SXX36

LK112SXX37

LK112SXX38

LK112SXX39

LK112SXX40

LK112SXX41

LK112SXX42

LK112SXX43

LK112SXX44

LK112SXX45

LK112SXX46

LK112SXX47

LK112SXX48

LK112SXX49

LK112SXX50

LK112SXX55

LK112SXX60

LK112SXX80

LK112SXX14

LK112SXX15

LK112SXX17

LK112SXX18

LK112SXX19

LK112SXX20

LK112SXX21

LK112SXX22

LK112SXX23

December 2007

Rev 9

1/18

www.st.com

12 3 4 5 6 7...18

中文翻译

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与LK112SXX相关器件

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LK112SXX_08	STMICROELECTRONICS	获取价格	Low noise low drop voltage regulator with shutdown function
LK112SXX13	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX14	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX15	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX16	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX17	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX18	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX19	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX20	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION
LK112SXX21	STMICROELECTRONICS	获取价格	LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION