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LK112 PDF预览

LK112

更新时间: 2024-11-12 22:31:15
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
12页 415K
描述
LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION

LK112 数据手册

 浏览型号LK112的Datasheet PDF文件第2页浏览型号LK112的Datasheet PDF文件第3页浏览型号LK112的Datasheet PDF文件第4页浏览型号LK112的Datasheet PDF文件第5页浏览型号LK112的Datasheet PDF文件第6页浏览型号LK112的Datasheet PDF文件第7页 
LK112  
SERIES  
LOW NOISE LOW DROP VOLTAGE REGULATOR  
WITH SHUTDOWN FUNCTION  
OUTPUT CURRENT UP TO 150mA  
LOW DROPOUT VOLTAGE (350mV AT  
=150mA)  
I
OUT  
VERY LOW QUIESCENT CURRENT: 0.1µA  
IN OFF MODE AND MAX 250µA IN ON  
MODE AT I  
=0mA  
OUT  
LOW OUTPUT NOISE: TYP 30µV AT  
=60mA AND 10Hz<f<80KHz  
SOT23-5L  
I
OUT  
WIDE RANGE OF OUTPUT VOLTGAES  
INTERNAL CURRENT AND THERMAL LIMIT  
DESCRIPTION  
The LK112 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 capacitor can be  
used connected to the noise bypass pin to lower  
The LK112 has a very low quiescent current in ON  
MODE while in OFF MODE the Iq is reduced  
down to 100nA max. The internal thermal  
shutdown circuitry limits the juntion 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.  
the output noise level to 30µV . An internal PNP  
rms  
pass transistor is used to achieve a low dropout  
voltage.  
SCHEMATIC DIAGRAM  
June 2003  
1/12  

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