Datasheet > LD1117XX30C

LD1117XX30C

更新时间： 2024-09-30 23:45:59

品牌	Logo	应用领域
其他 - ETC		调节器
页数	文件大小	规格书
24页	568K
描述
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS

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LD1117XX30C 数据手册

LD1117

SERIES

LOW DROP FIXED AND ADJUSTABLE

POSITIVE VOLTAGE REGULATORS

■

LOW DROPOUT VOLTAGE (1V TYP.)

2.85V DEVICE PERFORMANCES ARE

SUITABLE FOR SCSI-2 ACTIVE

TERMINATION

■

OUTPUT CURRENT UP TO 800 mA

FIXED OUTPUT VOLTAGE OF: 1.2V, 1.8V,

2.5V, 2.85V, 3.0V, 3.3V, 5.0V

■

ADJUSTABLE VERSION AVAILABILITY

TO-220FM

TO-220

(V =1.25V)

rel

■

INTERNAL CURRENT AND THERMAL LIMIT

AVAILABLE IN ± 1% (AT 25°C) AND 2% IN

FULL TEMPERATURE RANGE

■

SUPPLY VOLTAGE REJECTION: 75dB (TYP.)

DESCRIPTION

DPAK

SOT-223

SO-8

The LD1117 is a LOW DROP Voltage Regulator

able to provide up to 800mA of Output Current,

available even in adjustable version (Vref=1.25V).

Concerning fixed versions, are offered the

following Output Voltages: 1.2V,1.8V,2.5V,2.85V,

3.0V 3.3V and 5.0V. The 2.85V type is ideal for

SCSI-2 lines active termination. The device is

supplied in: SOT-223, DPAK, SO-8, TO-220 and

TO-220FM. The SOT-223 and DPAK surface

pass transistor. In fact in this case, unlike than

PNP one, the Quiescent Current flows mostly into

the load. Only a very common 10µF minimum

capacitor is needed for stability. On chip trimming

allows the regulator to reach a very tight output

voltage tolerance, within ± 1% at 25°C. The

ADJUSTABLE LD1117 is pin to pin compatible

with the other standard. Adjustable voltage

regulators maintaining the better performances in

terms of Drop and Tolerance.

mount

packages

optimize

the

thermal

characteristics even offering a relevant space

saving effect. High efficiency is assured by NPN

BLOCK DIAGRAM

October 2003

1/24

12 3 4 5 6 7...24

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