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PS257 Datasheet 4-Channel Secondary Monitoring IC

Manufacturer: SiTI

Overview: PS257 Version : PRE.005 Issue Date : 2012/02/20 File Name : SP-PS257-PRE.005.doc Total Pages : 14 4-Channel Secondary Monitoring IC with Fan Control 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.

Datasheet Details

Part number PS257
Manufacturer SiTI
File Size 309.59 KB
Description 4-Channel Secondary Monitoring IC
Download PS257 Download (PDF)

General Description

PS257 PS257 is designed for monitoring a switching power supply (S.P.S.), especially for desktop ATX system.

It protects the S.P.S.

and PC from over voltage, under voltage, over current, short circuit and over temperature status.

Key Features

  • z Over-Voltage/Under-Voltage Protection (OVP & UVP) and lock out It monitors 3.3V, 5V, -12V and dual +12V. FPO/ goes to high and latch-up when one of these supply voltages exceeds their normal operation voltage range. z Over Current Protection (OCP) and lock out It monitors 3.3V, 5V and dual +12V. FPO/ goes to high and latch-up when one of these supply currents exceeds their normal operation current range. z PGO (Power Good Output) signal generationIt generates PGO to motherboard according to th.