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L4903中文资料意法半导体数据手册PDF规格书

厂商型号	L4903
功能描述	DUAL 5V REGULATOR WITH RESET AND DISABLE FUNCTIONS
文件大小	140.08 Kbytes
页面数量	8 页
生产厂商	STMicroelectronics
企业简称	STMICROELECTRONICS【意法半导体】
中文名称	意法半导体集团官网
原厂标识
数据手册	下载地址一下载地址二到原厂下载
更新时间	2025-8-4 19:10:00
人工找货	L4903价格和库存，欢迎联系客服免费人工找货

DESCRIPTION

The L4903 is a monolithic low drop dual 5 V regulatordesigned mainly for supplying microprocessor systems.

Reset, data save functions and remote switch on/off controlcan be realized.

■ OUTPUT CURRENTS : I01 = 50mA I02 = 100mA

■ FIXED PRECISION OUTPUT VOLTAGE 5V ± 2

■ RESET FUNCTION CONTROLLED BY INPUT VOLTAGE AND OUTPUT 1 VOLTAGE

■ RESET FUNCTION EXTERNALLY PROGRAMMABLE TIMING

■ RESET OUTPUT LEVEL RELATED TO OUTPUT 2

■ OUTPUT 2 INTERNALLY SWITCHED WITH ACTIVE DISCHARGING

■ OUTPUT 2 DISABLE LOGICAL INPUT

■ LOW LEAKAGE CURRENT, LESS THAN 1µA AT OUTPUT 1

■ INPUT OVERVOLTAGE PROTECTION UP TO 60V

■ RESET OUTPUT NORMALLY LOW

■ OUTPUT TRANSISTORS SOA PROTECTION

■ SHORT CIRCUIT AND THERMAL OVERLOAD PROTECTION