KF15 datasheet(1/22 Pages) STMICROELECTRONICS

Part #	KF15

Description	Very low drop voltage regulators with inhibit

PDF	22 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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June 2007

Rev. 9

1/22

22

KF00 series

Very low drop voltage regulators with inhibit

Features

■ Very low dropout voltage (0.4V)

■ 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

■ Available in ± 2% accuracy at 25 °C

■ Supply voltage rejection: 70 db (typ.)

■ Temperature range: -40 to 125 °C

Description

The KF00 series are very Low Drop regulators

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

output voltages.

The very Low Drop voltage (0.4V) 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.

DPAK

SO-8

www.st.com

Schematic diagram

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