Datasheet > L4931CZ40-AP

L4931CZ40-AP

更新时间： 2024-09-27 08:10:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
41页	541K
描述
4V FIXED POSITIVE LDO REGULATOR, 0.8V DROPOUT, PBCY3, TO-92, 3 PIN

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L4931CZ40-AP 数据手册

L4931 series

Very low drop voltage regulators with inhibit

Feature summary

■ Very low dropout voltage (0.4V)

■ Very low quiescent current

■ (Typ. 50 µA in off mode, 600µA in on mode)

■ Output current up to 250 mA

TO-92

TO-220

■ Logic-controlled electronic shutdown

■ Output voltages of 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4;

4.7; 5; 8; 12V

■ Internal current and thermal limit

■ Only 2.2µF for stability

PPAK

SO-8

DPAK

■ Available in 1% (AB) or 2% (C) selection at

25°C

The very Low Drop voltage (0.4V) and the very

low quiescent current make them particularly

suitable for Low Noise, Low Power applications

and specially in battery powered systems.

■ Supply voltage rejection: 70db typ. for 5V

version

■ Temperature range: -40 to 125°C

In PPAK and SO-8 packages a Shutdown Logic

Control function is available TTL compatible. This

means that when the device is used as a local

regulator, it is possible to put a part of the board in

standby, decreasing the total power consumption.

It requires only a 2.2 µF capacitor for stability

allowing space and cost saving.

Description

The L4931 series are very Low Drop regulators

available in TO-220, SO-8, DPAK, PPAK and TO-

92 packages and in a wide range of output

voltages.

Schematic diagram

June 2006

Rev. 12

1/40

www.st.com

12 3 4 5 6 7...41

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