Datasheet > AAT1201-S

AAT1201-S

更新时间： 2024-01-13 18:12:27

品牌	Logo	应用领域
AAT		稳压器输出元件输入元件
页数	文件大小	规格书
21页	363K
描述
250-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL-OUTPUT POWER MANAGEMENT

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AAT1201-S 数据手册

Advanced Analog Technology, Inc.

AAT1201

Details are subject to change without notice

250-mA MULTI-INPUT LOW-DROPOUT REGULATOR

WITH DUAL-OUTPUT POWER MANAGEMENT

Features

Description

z Complete Power Management

z Automatic Input Voltage Selection

z Input Voltage Source Detector with Hysteresis

The AAT1201 is a multi-input low-dropout

regulator (LDO) designed for LAN card. It

provides dual constant output supply 3.3V & 2.5V

at the output capable of driving a 250-mA load.

The output (OUT25) can be disabled by

connecting EN25 pin to GND.

z 250-mA Load Current Capability with

VCC50 or VSB50 or AUX33 Input Source

z Integrated Low r_DS

Switch

(

on)

The AAT1201 provides dual regulated power

output for systems with multiple input sources and

require dual constant voltage source with a

low-dropout voltage. This is an intelligent power

source selection device with a LDO regulator for

z Dual Regulated Output 3.3V (fixed) & 2.5V

(fixed)

z Output Short Circuit Protection (SCP)

Pin Configuration

either VCC50 or VSB50 inputs, and

low-resistance bypass switch for the AUX33

input.

TOPVIEW

The AAT1201 allows transitions to progress

smoothly from one input supply to another without

generating a glitch outside of the specified range

of the 3.3-V & 2.5-V output. The device is

equipped with an incorporated reverse-blocking

scheme to prevent excess leakage from the input

terminals in the event when the output voltage is

greater than the input voltage.

VSB50

GND

VCC50

OUT33

EN25

OUT25

AUX33

(8-PIN SOP )

The input voltage is prioritized in the following

order: VCC50, VSB50, AUX33.

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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