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WT7515 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PC POWER SUPPLY SUPERVISOR - Weltrend

भाग संख्या WT7515
समारोह PC POWER SUPPLY SUPERVISOR
मैन्युफैक्चरर्स Weltrend 
लोगो Weltrend लोगो 
पूर्व दर्शन
1 Page
		
<?=WT7515?> डेटा पत्रक पीडीएफ

WT7515 pdf
WT7515
Rev. 1.50
GENERAL DESCRIPTION
The WT7515 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 3.3V, 5V, 12V input voltage level. The
Over Current Detector (OCD) monitor IS33, IS5, IS12 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 2.4 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 3.3V, 5V, 12V input voltage level.
The Over Current Detector (OCD) monitors IS33, IS5, IS12 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 internal signal De–glitches.
2.4 ms time delay for PSONB turn-off FPOB.
PIN ASSIGNMENT AND PACKAGE TYPE
Pin assignment
WT7515–140WT
PGI
GND
FPOB
PSONB
IS12
RI
NC
1 14
2 13
3 12
4 11
5 10
69
78
PGO
VCC
V5
V33
V12
IS33
IS5
WT7515–141WT
PGI
GND
FPOB
PSONB
IS12
RI
IS5
1 14
2 13
3 12
4 11
5 10
69
78
PGO
VCC
V5
V33
VCC2
V12
IS33
ORDERING INFORMATION
PACKAGE
14–Pin Plastic DIP
14–Pin Plastic SOP
WT7515–N140WT
WT7515–S140WT
WT7515–N141WT
WT7515–S141WT
Lead–Free Pb
WT7515–N140WT Pb WT7515–S140WT Pb
WT7515–N141WT Pb WT7515–S141WT Pb
The Top-Side Marking would been added a dot
in the right side for lead-free package.
Weltrend Semiconductor, Inc.
Page 2

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