BUK112-50GL Datasheet, PDF (14/16 Pages) NXP Semiconductors – PowerMOS transistor Logic level TOPFET

Philips Semiconductors
PowerMOS transistor
Logic level TOPFET
APPLICATION INFORMATION
From main control loop
Take input low
Wait typ 15 us
no
Is Flag High?
yes
Wait for cooling
Wait >= 1 min
Product specification
BUK112-50GL
Return to main control loop
RESET
Take prot’n supply low
Wait >= 150 us
Take prot’n supply high
Wait typ 15 us
Is Flag High?
no
yes
Take input high
Wait typ 15 us
yes
Is Flag High?
no
Take input low
Take input low
Record fault
S/C or over temp.
Record Fault
Open load
Record Fault
Low prot’n supply
Fig. 40. Possible fault diagnosis procedure.
September 1996
14
Rev 1.000