®
PROFET BTS 740 S2
Figure 7a: Overvoltage:
Figure 8b: Current sense ratio:
15000
10000
5000
0
k
ILIS
IN
ST
V
V
V
ON(CL)
V
bb
bb(over)
bb(o rst)
I
L
I
I
[A]
IS
L
t
0 1 2 3 4 5 6 7 8 9 10 11 12 13
26
Figure 9a: Output voltage drop versus load current:
Figure 8a: Current sense versus load current ::
1.3
V
[V]
ON
[mA]
1.2
I
IS
1.1
1
0.2
R
ON
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1
0.0
V
ON(NL)
I
L
I
L
[A]
6
0
1
2
3
4
5
[A]
0
1
2
3
4
5
6
7
8
26
This range for the current sense ratio refers to all
devices. The accuracy of the kILIS can be raised at
least by a factor of two by matching the value of
k
ILIS for every single device.
Semiconductor Group
14
2003-Oct-01
INFINEON [ Infineon ]
