Datasheet > LD1117AXX50

LD1117AXX50

更新时间： 2024-01-15 09:40:38

品牌	Logo	应用领域
其他 - ETC		调节器
页数	文件大小	规格书
16页	361K
描述
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS

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LD1117AXX50 数据手册

LD1117A

SERIES

LOW DROP FIXED AND ADJUSTABLE

POSITIVE VOLTAGE REGULATORS

■

LOW DROPOUT VOLTAGE

(1.15V TYP. @ I = 1A, 25°C)

VERY LOW QUIESCENT CURRENT

(5 mA TYP. @ 25°C)

OUT

■

OUTPUT CURRENT UP TO 1A

FIXED OUTPUT VOLTAGE OF: 1.8V, 2.5V,

2.85V, 3.3V, 5.0V

■

ADJUSTABLE VERSION AVAILABILITY

SOT-223

TO-220

(V = 1.25V)

rel

■

INTERNAL CURRENT AND THERMAL LIMIT

ONLY 10 µF FOR STABILITY

AVAILABLE IN ± 2% (AT 25°C) AND 4% IN

FULL TEMPERATURE RANGE

■

HIGH SUPPLY VOLTAGE REJECTION:

(80dB TYP. AT 25°C)

TEMPERATURE RANGE: 0°C TO 125°C

DPAK

SOT-223, DPAK and TO-220. The surface mount

packages optimize the thermal characteristics

even offering a relevant space saving effect. High

efficiency is assured by NPN pass transistor. Only

a very common 10µF minimum capacitor is

needed for stability. Only chip trimming allows the

regulator to reach a very tight output voltage

tolerance, within ± 2% at 25 °C.

DESCRIPTION

The LD1117A is a LOW DROP Voltage Regulator

able to provide up to 1A of Output Current,

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

Concerning fixed versions, are offered the

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

3.3V and 5.0V. The 2.85V type is ideal for SCSI-2

lines active termination. The device is supplied in:

BLOCK DIAGRAM

October 2003

1/16

12 3 4 5 6 7...16

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