ITS621L1 Datasheet, PDF (11/14 Pages) Infineon Technologies AG – Smart Two Channel Highside Power Switch for Industrial Applications

Timing diagrams
Figure 1a: V_bb turn on:
IN1
IN2
V _bb
V
OUT1
PROFET® ITS621L1
Both channels are symmetric and consequently the diagrams
are valid for each channel as well as for permuted channels
Figure 2b: Switching an inductive load
IN
t
ST
d(ST)
*)
V
OUT
V
OUT2
ST open drain
Figure 2a: Switching a lamp:
IN
ST
V
OUT
I_L
I _L(OL)
t
t
*) if the time constant of load is too large, open-load-status may
occur
Figure 3a: Short circuit
shut down by overtempertature, reset by cooling
IN
other channel: normal operation
I_L
I _{L(SCp) IL(SCr)}
I
L
Infineon Technologies AG
t
ST
t
Heating up may require several milliseconds, depending on
external conditions
11
2006-Mar-28