MIC2580A データシートの表示（PDF） - Micrel
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MIC2580A Datasheet PDF : 21 Pages
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MIC2580A
Functional Diagram
12VIN
5VIN
3VIN
CSLEW
CSLEW
Slew
Control
Current
Limit
/ON
Control Logic
and
Power Good
/PCIRST
M12VIN
MIC2580A
Micrel, Inc.
GND
12V
Switch
5V
Switch
Control
3.3V
Switch
Control
Precharge
Supply
Reset
Thermal
Shutdown
tD = 20µs
(delay)
tD = 20µs
(delay)
–12V
Switch
12VOUT
5VSENSE
5VGATE
5VOUT
R5SNS
Q5OUT
3VSENSE
3VGATE
3VOUT
R3SNS
Q3OUT
VPCHG
/POR
CRST
CRST
/FAULT
CSTART
CSTART
/EPWRGD
/PWRGD
/LPCIRST
M12VOUT
February 2005
17
MIC2580A
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