LD1117ADT50TR

更新时间： 2024-11-22 22:29:55

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		调节器
页数	文件大小	规格书
17页	243K
描述
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS

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LD1117ADT50TR 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: 1.2V, 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

supplied in: 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: 1.2V, 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

Figure 1: Block Diagram

Rev. 12

1/17

October 2004

12 3 4 5 6 7...17

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与LD1117ADT50TR相关器件

型号	品牌	获取价格	描述	数据表
LD1117ADT-R	STMICROELECTRONICS	获取价格	LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
LD1117ADT-TR	STMICROELECTRONICS	获取价格	LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
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LD1117AG-12-AA3-C-T	UTC	获取价格	Fixed Positive LDO Regulator, 1.2V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4
LD1117AG-12-AA3-D-R	UTC	获取价格	Fixed Positive LDO Regulator, 1.2V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4
LD1117AG-12-AA3-D-T	UTC	获取价格	Fixed Positive LDO Regulator, 1.2V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4
LD1117AG-50-AA3-A-R	UTC	获取价格	Fixed Positive LDO Regulator, 5V, 1.3V Dropout, BIPolar, PDSO4, HALOGEN FREE, SOT-223, 4 P