®
PROFET BTS 740 S2
Figure 4a: Overtemperature:
Figure 6a: Undervoltage:
Reset if T <T
j
jt
IN
IN
ST
V
not defined
ST
I
L
bb
V
bb(u cp)
V
bb(under)
V
bb(u rst)
I
I
IS
L
T
J
I
IS
t
t
Figure 6b: Undervoltage restart of charge pump
Figure 5a: Open load: detection (with R
),
EXT
turn on/off to open load
V
ON(CL)
V
on
IN
t
d(ST OL3)
ST
off-
on-state
off-
state
state
V
V
bb(over)
OUT
V
V
bb(o rst)
bb(u rst)
I
L
V
open load
bb(u cp)
V
bb(under)
I
IS
V
bb
t
charge pump starts at Vbb(ucp) =4.7 V typ.
Semiconductor Group
13
2003-Oct-01