L4938ED 데이터 시트보기 (PDF) - STMicroelectronics

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L4938ED

Advanced voltage regulator

STMicroelectronics 

L4938ED

L4938EPD

Advanced voltage regulator

Features

■ Enable and sense inputs (EN, SI) protected

against negative transients down to -5 V

■ Reset threshold adjustable from 3.8 V to 4.7 V

■ Extremely low quiescent current, 65 µA (less

than 90 µA) in standby mode

■ Operating DC supply voltage range 5 V - 28 V

■ Operating transient supply voltage up to 40 V

■ High precision standby output voltage 5 V ± 1%

with 100 mA current capability

■ Output 2 voltage 5 V ± 2% with 400 mA current

capability (ADJ wired to VOUT2)

■ Output 2 voltage adjustable by external voltage

divider

■ Output 2 disable function for standby mode

SO-20

PowerSO-20

Description

The L4938ED and L4938EPD are monolithic

integrated dual voltage regulators with two very

low dropout outputs and additional functions such

as power-on reset and input voltage sense. They

are designed for supplying microcomputer

controlled systems especially in automotive

applications.

September 2013

Table 1. Device summary

Package

Order codes

Tube

Tape and reel

SO-20

L4938ED L4938ED013TR

PowerSO-20

L4938EPD L4938EPD13TR

Doc ID 17243 Rev 2

1/20

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