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PDF ( 数据手册 , 数据表 ) LR1143

零件编号 LR1143
描述 400mA ADJUSTABLE LDO REGULATOR
制造商 Unisonic Technologies
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LR1143 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
LR1143
LINEAR INTEGRATED CIRCUIT
HIGH PSRR, LOW DROPOUT,
400mA ADJUSTABLE LDO
REGULATOR
DESCRIPTION
The UTC LR1143 is a CMOS-based 400mA voltage regulator
with low supply current, low dropout, adjustable output voltage,
The device offering high PSRR and low dropout. The quiescent
current is as low as 35μA, further prolonging the battery life. The
UTC LR1143 also works with low-ESR ceramic capacitors,
reducing the amount of board space necessary for power
applications, critical in handheld wireless devices.
The UTC LR1143 consumes typical 0.7μA in shutdown mode.
The other features include low dropout voltage, high output
accuracy, current limit protection, and enable/shutdown control.
FEATURES
* Wide operating voltage range : 3.0V~5.5V
* Adjustable output voltage
* Enable/shutdown control
* Low-noise for RF application
* Ultra-Fast response in line/load transient
* Current limit protection
* Output only 1μF capacitor required for stability
* High power supply rejection ratio
ORDERING INFORMATION
Ordering Number
LR1143G-xx-AF5-R
Note: xx: Output Voltage, refer to Marking Information.
Package
SOT-25
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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