BTS621L1E3230 查看數據表（PDF） - Siemens AG
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BTS621L1E3230 Datasheet PDF : 14 Pages
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Timing diagrams
Figure 1a: Vbb turn on:
IN1
IN2
V bb
V
OUT1
V
OUT2
ST open drain
Figure 2a: Switching a lamp:
IN
ST
BTS 621 L1
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
IL
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
V
OUT
I
L
Semiconductor Group
IL
I L(SCp) IL(SCr)
t
ST
t
Heating up may require several milliseconds, depending on
external conditions
11
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