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SiTI

PS25A Datasheet Preview

PS25A Datasheet

3-Channel Secondary Monitoring IC

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PS25A
Version
: A.005
Issue Date : 2012/03/28
File Name : SP-PS25A-A.005.doc
Total Pages : 11
3-Channel Secondary Monitoring IC
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626




SiTI

PS25A Datasheet Preview

PS25A Datasheet

3-Channel Secondary Monitoring IC

No Preview Available !

PS25A
PS25A
3-Channel Secondary Monitoring IC
General Description
PS25A is specially designed for switching power supply system. Four important
functions of PS25A are the followings: over-voltage protection, over-current protection,
under-voltage protection and power good signal generating.
OVP/UVP (Over-Voltage/Under-Voltage Protection) monitors triple 12V to protect
our power supply and PC, FPO/ goes to high when one of these supply voltages
exceeds their normal operation voltage range.
OCP (Over Current Protection) monitors IS12A, IS12B, IS12C input current sense.
An adjustable over-current condition composed of Iref and “protection current range
resistor” helps users design OCP easily.
An additional protection input pin provides the flexibility for design protection
circuit.
Power good signal generating notifies personal computer when power supply is
ready or power supply is going to shutdown, therefore it can provide a reliable power
supply environment.
Features
Over/Under-voltage protection and lock out
Over-current protection and lock out
Additional protection input
Fault protection output with open drain output stage
Open drain power good output signal for power good input
Built-in 300mS power good delay
AC on 75ms delay for UV/OC protection
38mS PSON/ control de-bounce
Wide power supply range (3.8V~16V)
Special care for AC power off
3-Channel Secondary Monitoring IC VersionA.005
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 1


Part Number PS25A
Description 3-Channel Secondary Monitoring IC
Maker SiTI
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PS25A Datasheet PDF






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