Datasheet

Data Sheet 15 Rev. 1.3, 2010-03-16
Smart High-Side Power Switch
BTS721L1
Figure 5c: Open load: detection in ON- and OFF-state
(with R
EXT
), turn on/off to open load
W
9
67
,1
,
/
W
G67
G672/
FKDQQHORSHQORDG
W
d(ST)
W
287
IN2 channel 2: normal operation
t
d(ST OL5)
depends on external circuitry because of high
impedance
Figure 6a: Undervoltage:
,1
9
287
W
9
EE
67RSHQGUDLQ
V
V
bb(under)
bb(u rst)
bb(u cp)
9
Figure 6b: Undervoltage restart of charge pump
EEXQGHU
9
9
EEXUVW
9
EERYHU
9
EERUVW
9
EEXFS
RIIVWDWH
RQVWDWH
9
21&/
9
EE
9
RQ
RIIVWDWH
IN = high, normal load conditions.
Charge pump starts at V
bb(ucp)
= 5.6V typ.
Figure 7a: Overvoltage:
,1
9
287
W
9
bb
67
ON(CL)
V
V
bb(over)
V
bb(o rst)