Datasheet

PROFET
®
BTS 6163 D
Data Sheet 14 of 18 Rev. 1.0, 2007-07-23
Figure 4b: Overload
T
j
<T
jt
I
IN
t
I
L
V
bb
I
S
-V
OUT
V =1V typ.
ON
R *I
ON L,lim
I
L
k
ilis
I
IS,lim
I
IS,fault
Figure 5a: Undervoltage restart of charge pump,
overvoltage clamp
0
01012
V
OUT
V
bIN(ucp)
V
IN
= 0
I
IN
= 0
V
ON(CL)
V
ON(CL)
V
bIN(u)
V
bIN(u)
dynamic, short
Undervoltage
not below
V
bb
Figure 6a: Current sense versus load current:
0
1
2
01020
I
L
[A]
[mA] I
IS
30 40
3
I
IS,lim
4
I
IS(LH)
I
L,lim
Figure 6b: Current sense ratio
22
:
10000
0
10 20
I
L
[A]
k
ILIS
5 30
5000
15000
20000
22
This range for the current sense ratio refers to all
devices. The accuracy of the k
ILIS
can be raised by
means of calibration the value of k
ILIS
for every
single device.