BTS442D2 Siemens Semiconductor Group, BTS442D2 Datasheet - Page 10

• Manufacturer Part Number: BTS442D2
• Description: Smart Highside Power Switch (Overload protection Current limitation Short-circuit protection Thermal shutdown)
• Manufacturer: Siemens Semiconductor Group

Timing diagrams
Figure 1a: V
Figure 2a: Switching a lamp,
Semiconductor Group
in case of too early V IN =high the device may not turn on (curve A)
t
d(bb IN)
V
IN
IN
ST
V
V
ST CMOS
I
bb
L
OUT
OUT
approx. 150 s
bb
turn on:
t d(bb IN)
A
A
t
t
10
Figure 2b: Switching an inductive load
*) if the time constant of load is too large, open-load-status may
occur
Figure 3a: Turn on into short circuit,
t d(SC) approx. 200 s if V
ST
IN
ST
IN
V
V
I
I
OUT
L
L
OUT
I
L(OL)
*)
t
t d(SC)
d(ST)
bb
- V
OUT
> 8.3 V typ.
BTS 442 D2
t
t