Datasheet > L4931CD12-TR

L4931CD12-TR

更新时间： 2024-10-20 03:15:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
29页	331K
描述
IC,VOLT REGULATOR,FIXED,+1.25V,BIPOLAR,SOP,8PIN,PLASTIC

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L4931CD12-TR 数据手册

L4931

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

■

VERY LOW DROPOUT VOLTAGE (0.4V)

VERY LOW QUIESCENT CURRENT

(TYP. 50 µA IN OFF MODE, 600µA IN ON

MODE)

■

OUTPUT CURRENT UP TO 250 mA

LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

■

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

INTERNAL CURRENT AND THERMAL LIMIT

ONLY 2.2µF FOR STABILITY

AVAILABLE IN ± 1% (AB) OR 2% (C)

SELECTION AT 25°C

TO-220

TO-92

■

SUPPLY VOLTAGE REJECTION: 70db TYP.

FOR 5V VERSION

TEMPERATURE RANGE: -40 TO 125°C

PPAK

DPAK

SO-8

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.

SCHEMATIC DIAGRAM

January 2004

1/29

12 3 4 5 6 7...29

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