MIC2592B
Micrel
Functional Characteristics cont.
3V Undervoltage Fault Response
12V Undervoltage Fault Response
+12VIN
+3VIN
VUVLO(3V)
VUVLO(12V)
/FAULT
+12VIN
VSTBY
/FAULT
+12VIN
VSTBY
MAIN(12V and 3.3V) Supplies ENABLED
Slot A
MAIN(12V and 3.3V) Supplies ENABLED
Slot A
TIME (500µs/div.)
TIME (500µs/div.)
3V Ouput Discharge Response
12V Ouput Discharge Response
VUV(12V)
Output disabled by ON pin
CLOAD = 1000µF
IOUT = 0A
VUV(3V)
Output disabled by ON pin
CLOAD = 1000µF
IOUT = 0A
TIME (25ms/div.)
TIME (250ms/div.)
March 2005
14
M9999-033105