KF00 datasheet(1/17 Pages) STMICROELECTRONICS

Part #	KF00

Description	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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January 2004

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VERY LOW DROPOUT VOLTAGE (0.4V)

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VERY LOW QUIESCENT CURRENT (TYP.

50 µA IN OFF MODE, 500 µA IN ON MODE)

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OUTPUT CURRENT UP TO 500 mA

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LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

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OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7;

3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;

12V

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INTERNAL CURRENT AND THERMAL LIMIT

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ONLY 2.2 µF FOR STABILITY

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AVAILABLE IN ± 2% ACCURACY AT 25 °C

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SUPPLY VOLTAGE REJECTION: 70 db

(TYP.)

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TEMPERATURE RANGE: -40 TO 125 °C

DESCRIPTION

The KF00 series are very Low Drop regulators

availablein 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.

KF00

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

SCHEMATIC DIAGRAM

SO-8

DPAK

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