LF12

更新时间： 2024-10-18 22:31:23

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
32页	259K
描述
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

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数据手册

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LF12 数据手册

LF00AB/C

SERIES

VERY LOW DROP

VOLTAGE REGULATORS WITH INHIBIT

■

VERY LOW DROPOUT VOLTAGE (0.45V)

VERY LOW QUIESCENT CURRENT

(TYP. 50 µA IN OFF MODE, 500µA IN ON

MODE)

PENTAWATT

■

OUTPUT CURRENT UP TO 500 mA

LOGIC-CONTROLLEDELECTRONIC

SHUTDOWN

■

OUTPUT VOLTAGESOF 1.25;1.5; 1.8;2.5;

2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;

9; 12V

■

INTERNAL CURRENT AND THERMAL LIMIT

ONLY2.2µF FOR STABILITY

AVAILABLEIN ± 1% (AB) OR ± 2%(C)

SELECTIONAT 25 ^oC

TO-220

ISOWATT220

■

SUPPLY VOLTAGEREJECTION: 80 db (TYP.)

TEMPERATURE RANGE: -40 TO 125 ^oC

PPAK

DPAK

DESCRIPTION

The LF00 series are very Low Drop regulators

In the 5 pins configuration (PENTAWATT and

PPAK) a Shutdown Logic Control function is

available (pin 2, 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.

In the three terminal configuration the device has

the same electrical performance, but is fixed in

available

PENTAWATT,

TO-220,

ISOWATT220, DPAK and PPAK package and in

a wide range of output voltages.

The very Low Drop voltage (0.45V) and the very

low quiescent current make them particularly

suitable for Low Noise, Low Power applications

and specially in battery powered systems.

SCHEMATIC DIAGRAM

1/32

July 1999

12 3 4 5 6 7...32

中文翻译

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