VRR datasheet(2/29 Pages) ETC2

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AnaSem Inc.

Rev. C09-08

产品规格书

AnaSem

安纳森半导体

.......... Future of the analog world

高速度，低压差，

±1% 高输出精度，配ON/OFF功能 CMOS稳压器

VRR 系列

概述

VRR系列乃高速度，低压差，高输出电压精度稳压器，以低压差来达成高输

出精度的规格。

VRH系列的电压输出能在指定的温度范围内保证±1%的精

度，而集成电路内以温度系数调整的高准确率参考电压值来做基准。

VRH系

列以低

ESR电容来作输出的稳定作用。而已冲好的ESR电容能由VRH系列在C

E=VSS的情况下由内置的开关来放电，能助VOUT迅速回复到VSS水平。另

外，

VRH系列也备有电流过高的保护电路，能防止电流通量超越输出三极管

的限制电流容量

特点

输出电压范围

·······································································

工作电压范围

··································································

高精度电压输出

···························································

高电流输出

··································································

输入输出压差

················································································

低电流功耗

··································································

高嘈音抑制比

·························································································

低

ESR电容 ·························································································

工作温度范围

··································································

内置电流限制保护

····························································································

CL 高速自动放电

内置

ON/OFF开关电路

小型封装

·························································································

应用范围

电池驱动之产品

手机

数码相机或摄像机

无卤素

RoHS

符合标准

手提式电玩产品

手提式电子产品仪器

0.9V~5.0V (能以每0.05V间隔设定输出电压)

1.6V~6.0V

±1% (VOUT=1.95V ~ 5.0V) / ±20mV (VOUT=0.9V ~ 1.9V)

250mA

Typ. 90mV (output=3.0V, IOUT=100mA)

Typ. 25µA

Typ. 75dB at 1KHz

1.0 µF ceramic capacitor

–40°C ~ +85°C

电流限制

: 300mA

SSOT-25 : R-类 (350mW)

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