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參數(shù)資料
| 型號： | AAT1203-S-T |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 250-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH V-AUX SWITCH |
| 中文描述： | 250 - mA的多輸入低壓差穩(wěn)壓器的V -輔助開關(guān) |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 312K |
| 代理商： | AAT1203-S-T |
Advanced Analog Technology, Inc.
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Advanced Analog Technology, Inc
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Page 1 of 16 V 1.0
AAT1203
Details are subject to change without notice
250-mA MULTI-INPUT LOW-DROPOUT REGULATOR
WITH V
AUX
SWITCH
Features
z
Complete Power Management
z
Automatic Input Voltage Selection
z
Input Voltage Source Detector With
Hysteresis
z
250-mA Load Current Capability With
VCC50 or VSB50 or AUX33 Input Source
z
Integrated Low
(
)
on
DS
r
Switch
z
Regulated Output 3.3V (fixed)
z
Output Short Circuit Protection
Pin Configuration
Description
The AAT1203 is a multi-input low-dropout
regulator designed for LAN cards. It provides
constant output supply 3.3V at an output capable
of driving a 250-mA load.
The AAT1203 is equipped with regulated power
output for systems that have multiple input
sources and require constant voltage source with a
low-dropout voltage. This is an intelligent power
source selection device with a low-dropout
regulator for either VCC50 or VSB50 inputs, and
a low-resistance bypass switch for the AUX33
input.
The AAT1203 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 output. The device has an
incorporated reverse-blocking scheme to prevent
excess leakage from the input terminals in the
event that the output voltage is greater than the
input voltage.
The input voltage is prioritized in the following
order: VCC50, VSB50, AUX33.
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| AAT1204 | 制造商:AAT 制造商全稱:AAT 功能描述:400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH VAUX SWITCH |
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