PROFET® BTS 432 F2
Timing diagrams
Figure 1a: Vbb turn on:
IN
t d(bb IN)
Vbb
Figure 3a: Turn on into short circuit,
IN
ST
V
OUT
A
ST open drain
V
OUT
td(SC)
I
L
t
t
A
in case of too early VIN=high the device may not turn on (curve A)
td(bb IN) approx. 150 µs
td(SC) approx. 200µs if Vbb - VOUT > 8.3 V typ.
Figure 2a: Switching an inductive load
Figure 3b: Turn on into overload,
IN
IN
td(ST)
ST
*)
V
OUT
IL
I L(SCp)
I L(SCr)
I
L
ST
IL(OL)
t
t
*) if the time constant of load is too large, open-load-status may
occur
Heating up may require several milliseconds , Vbb - VOUT < 8.3 V
typ.
Infineon Technologies AG
10
22.03.99