KF30B

更新时间： 2024-11-21 03:47:47

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
22页	741K
描述
Very low drop voltage regulators with inhibit

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KF30B 数据手册

KFxxB

Very low drop voltage regulators with inhibit

Features

■ Very low dropout voltage (0.4 V)

■ Very low quiescent current (typ. 50 µA in OFF

Mode, 500 µA in ON Mode)

■ Output current up to 500 mA

■ Logic-controlled electronic shutdown

■ Output voltages of 1.5; 2.5; 3; 3.3; 4; 5; 5.2; 6; 8

■ Internal current and thermal limit

■ Only 2.2 µF for stability

DPAK

SO-8

■ Available in 2 % accuracy at 25 °C

■ Supply voltage rejection: 70 db (typ.)

■ Temperature range: -40 to 125 °C

Description

The KFxx series are very low drop regulators

available in SO-8 package and in a wide range of

output voltages.

The very low drop voltage (0.4 V) and the very low

quiescent current make them particularly

suitable for low noise, low power applications and

specially in battery powered systems.

A shutdown logic control function is available (pin

5, 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.

Table 1.

Device summary

Part numbers

KF15B

KF25B

KF30B

KF33B

KF40B

KF50B

KF52B

KF80B

December 2007

Rev 10

1/22

www.st.com

12 3 4 5 6 7...22

中文翻译

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