Timing diagrams
Figure 1a: Vbb turn on:
IN
Vbb
V
OUT
ST open drain
proper turn on under all conditions
Figure 2a: Switching a lamp,
IN
ST
V
OUT
I
L
Semiconductor Group
BTS 425 L1
Figure 3a: Short circuit
shut down by overtempertature, reset by cooling
IN
IL
I L(SCp)
IL(SCr)
ST
t
t
Heating up may require several milliseconds, depending on
external conditions
Figure 4a: Overtemperature:
Reset if Tj <Tjt
IN
ST
V
OUT
t
T
J
t
9