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WT7525Y डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PC POWER SUPPLY SUPERVISOR - Weltrend

भाग संख्या WT7525Y
समारोह PC POWER SUPPLY SUPERVISOR
मैन्युफैक्चरर्स Weltrend 
लोगो Weltrend लोगो 
पूर्व दर्शन
1 Page
		
<?=WT7525Y?> डेटा पत्रक पीडीएफ

WT7525Y pdf
WT7525Y Preliminary release
Rev. 0.40
GENERAL DESCRIPTION
The WT7525Y provides protection circuits, power good output (PGO), fault protection latch (FPOB),
and a protection detector function (PSONB) control. It can minimize external components of switching
power supply systems in personal computer.
The Over / Under Voltage Detector (OVD / UVD) monitors V33, V5, V12A, V12B and V12C input
voltage level. The Over Current Detector (OCD) monitor IS33, IS5, IS12A, IS12B and IS12C input
current sense. When OVD or UVD or OCD detect the fault voltage level, the FPOB is latched HIGH and
PGO go low. The latch can be reset by PSONB go HIGH. There is 3.5 ms delay time for PSONB turn
off FPOB.
When OVD and UVD and OCD detect the right voltage level, the power good output (PGO) will be
issue.
FEATURES
The Over/Under Voltage Detector (OVD / UVD) monitors V33, V5, V12A, V12B and V12C input
voltage.
The Over Current Detector (OCD) monitors IS33, IS5, IS12A, IS12B and IS12C input current sense.
Both of the power good output (PGO) and fault protection latch (FPOB) are Open Drain Output.
75 / 300 ms time delay for UVD.
300 ms time delay for PGO.
38 ms for PSONB input signal De–bounce.
73 us for PGI/OVD/UVD internal signal De–glitches.
1.2 ms for OCD internal signal De–glitches.
3.5 ms time delay for PSONB turn-off FPOB.
Weltrend Semiconductor, Inc.
Page 2

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