BTS 723 GW
Timing diagrams
All channels are symmetric and consequently the diagrams are valid for channel 1 and
channel 2
Figure 1a: V turn on, :
Figure 2b: Switching an inductive load
bb
IN
IN
t
ST
d(bb IN)
V
bb
V
OUT
V
OUT
A
I
L
ST open drain
t
t
A
in case of too early V =high the device may not turn on (curve A)
IN
t
d(bb IN) approx. 150 µs
Figure 3a: Short circuit:
shut down by overtempertature, reset by cooling
Figure 2a: Switching a resistive load,
turn-on/off time and slew rate definition:
IN
IN
V
OUT
VOUT
normal
operation
90%
Output short to GND
t
dV/dtoff
on
I
I
L(lim)
L
t
dV/dton
off
I
L(SCr)
10%
IL
t
ST
off(SC)
t
t
Heating up requires several milliseconds, depending on external
conditions. External shutdown in response to status fault signal
recommended.
Infineon Technologies AG
13
2003-Oct-01
INFINEON [ Infineon ]
