Datasheet > LD2979XX

LD2979XX

更新时间： 2022-04-23 23:00:11

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
15页	299K
描述
Very low drop voltage regulators with inhibit

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LD2979XX 数据手册

LD2979xx

Very low drop voltage regulators with inhibit

Features

■ Very low dropout voltage (0.2 V typ. at 50 mA

load)

■ Very low quiescent current (typ. 500 µA at 50

mA load)

■ Output current up to 50 mA

■ Logic-controlled electronic shutdown

■ Output voltages of 3.0; 3.3; 3.8; 5.0 V

■ Internal current and thermal limit

■ Supply voltage rejection: 63 dB (typ)

■ Only 1 µF for stability

SOT23-5L

■ Selection at 25 °C

■ Temperature range: -25 °C to 125 °C

■ Package available: SOT23-5L

Description

The LD2979 series are very low drop regulators

available in SOT23-5L.

The very low drop-voltage and the very low

quiescent current make them particularly suitable

for low noise, low power applications and in

battery powered systems.

Shutdown logic control function is available on

five pin version (TTL compatible). This means that

when the device is used as local regulator, it is

possible to put a part of the board in standby,

decreasing the total power consumption.

Table 1.

Device summary

Part numbers

Order codes

Output voltages

LD2979XX30

LD2979XX33

LD2979XX38

LD2979XX50

LD2979M30TR

LD2979M33TR

LD2979M38TR

LD2979M50TR

3.0 V

3.3 V

3.8 V

5.0 V

April 2008

Rev 14

1/15

www.st.com

12 3 4 5 6 7...15

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