L4931CD33 datasheet(1/29 Pages) STMICROELECTRONICS

Il numero della parte	L4931CD33

Spiegazioni elettronici	VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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Produttore elettronici	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, 600µA IN ON

MODE)

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OUTPUT CURRENT UP TO 250 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; 12V

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INTERNAL CURRENT AND THERMAL LIMIT

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ONLY 2.2µF FOR STABILITY

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AVAILABLE IN ± 1% (AB) OR 2% (C)

SELECTION AT 25°C

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SUPPLY VOLTAGE REJECTION: 70db TYP.

FOR 5V VERSION

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TEMPERATURE RANGE: -40 TO 125°C

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.

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.

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.

L4931

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

SCHEMATIC DIAGRAM

TO-220

SO-8

TO-92

DPAK

PPAK

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