Datasheet

BTS711L1
Semiconductor Group 14 2003-Oct-01
Figure 5c: Open load: detection in ON- and OFF-state
(with R
EXT
), turn on/off to open load
t
V
ST
IN1
I
L1
t
d(ST)
d(ST OL5)
channel 1: open load
t
d(ST)
t
OUT1
IN2 channel 2: normal operation
t
d(ST OL5)
depends on external circuitry because of high
impedance
Figure 6a: Undervoltage:
IN
V
OUT
t
V
bb
ST open drain
V
V
bb(under)
bb(u rst)
bb(u cp)
V
Figure 6b: Undervoltage restart of charge pump
bb(under)
V
V
bb(u rst)
V
bb(over)
V
bb(o rst)
V
bb(u cp)
off-state
on-state
V
ON(CL)
V
bb
V
on
off-state
IN = high, normal load conditions.
Charge pump starts at V
bb(ucp)
= 5.6 V typ.
Figure 7a: Overvoltage:
IN
V
OUT
t
V
bb
ST
ON(CL)
V
V
bb(over)
V
bb(o rst)