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LR7XXYY PDF预览

LR7XXYY

更新时间: 2024-11-17 14:54:51
品牌 Logo 应用领域
友顺 - UTC /
页数 文件大小 规格书
7页 190K
描述

LR7XXYY 数据手册

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UNISONIC TECHNOLOGIES CO., LTD  
LR7XXYY  
Advance  
CMOS IC  
LOW NOISE DUAL 300mA LDO  
DESCRIPTION  
The UTC LR7XXYY series are highly accurate, Dual, low noise,  
CMOS LDO voltage regulators. Performance features of the series  
includes low output noise, high ripple rejection ratio, low dropout  
and very fast turn-on times.  
SOP-8  
The UTC LR7XXYY includes a reference voltage source, error  
amplifiers, driver transistors, current limiters and phase  
compensators internally. The LR7XXYY current limiters' foldback  
circuit also operates as a short protect for the output current limiter.  
The UTC LR7XXYY series is also fully compatible with low ESR  
ceramic capacitors, reducing cost and improving output stability.  
This high level of output stability is maintained even during  
frequent load fluctuations, due to the excellent transient response  
performance and high PSRR achieved across a broad range of  
frequencies. The EN function allows the output of each regulator to  
be turned off independently, resulting in greatly reduced power  
consumption. The output voltage of these ICs is internally fixed with  
high accuracy (1%).  
HSOP-8  
FEATURES  
* Supply Current  
* Standby Current  
* Dropout Voltage  
Typ. 25µA (each channel)  
Typ. 0.1µA (each channel)  
Typ. 0.21V (IOUT=300mA, VOUT=2.8V)  
Typ. 0.24V (IOUT=300mA, VOUT=2.5V)  
Typ. 80dB (f=1kHz)  
* Ripple Rejection  
* Temperature-Drift Coefficient of Output Voltage Typ. ±30ppm/°C  
* Line Regulation Typ. 0.02%/V  
* Output Voltage Accuracy ±1.0%  
* Input Voltage Range  
* Output Voltage Range  
2.5V~5.25V  
1.5V ~3.3V (0.1V steps)  
(For details, please refer to MARK  
INFORMATIONS.)  
* Built-in Fold Back Protection Circuit  
* Built-in Auto Discharge Function  
Typ. 50mA  
B Version  
www.unisonic.com.tw  
1 of 7  
Copyright © 2017 Unisonic Technologies Co., Ltd  
QW-R102-068.b  

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