Product Summary

The WT7510 supports protection circuits, power good output (PGO), fault protection latch (FPL_N),and a protection detector function (PDON_N) control. It can minimize external components of switching power supply systems in personal computer.
The Over Voltage Detector (OVD) monitors 3.3V, 5V, 12V input voltage level. The Under VoltageDetector (UVD) monitors 3.3V, 5V input voltage level. When OVD or UVD detect the fault voltage level,the FPL_N is latched HIGH and PGO go low. The latch can be reset by PDON_N goo HIGH. There is 2.4ms delay time for PDON_N turn off FPL_N.

Parametrics

The absolute maximum ratings of WT7510 are
(1)The Over Voltage Detector (OVD) monitors 3.3V, 5V, 12V input voltage level.;
(2)The Under Voltage Detector (UVD) monitors 3.3V, 5V input voltage level;

Features

The features of WT7510 can be summarized as
(1)The Over Voltage Detector (OVD) monitors 3.3V, 5V, 12V input voltage level.;
(2)The Under Voltage Detector (UVD) monitors 3.3V, 5V input voltage level.;
(3)Both of the power good output (PGO) and fault protection latch (FPL_N) are Open Drain Output.;
(4)75 ms time delay for UVD.;
(5)300 ms time delay for PGO.;
(6)38 ms for PDON_N input signal De–bounce.;
(7)73 us for internal signal De–glitches.;
(8)2.4 ms time delay for PDON_N turn-off FPL_N.

Diagrams

<DIV><IMG alt="WT7510 Pin Configuration" src="http://www.seekic.com/uploadfile/ic-mfg/2012710201923805.jpg" border=0></DIV>

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