V23990-P768-A50-PM
Brake Inverse Diode
Figure 1
Brake inverse diode
Figure 2
Brake inverse diode
Typical diode forward current as
a function of forward voltage
IF = f(VF)
Diode transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
100
10-1
10-2
30
25
20
15
10
5
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
0
2
VF (V)
t p (s)
10-5
10-4
10-3
10-2
10-1
100
1
10
10
0
0,8
1,6
2,4
3,2
4
At
At
Psx7p
RthJH
D =
tp / T
Phase change interface
RthJH
K/W
Tj =
tp =
25/150 °C
=
=
250
ꢁs
1,38
K/W
1,34
Figure 3
Brake inverse diode
Figure 4
Forward current as a
Brake inverse diode
Power dissipation as a
function of heatsink temperature
function of heatsink temperature
Ptot = f(Th)
IF = f(Th)
140
120
100
80
25
20
15
10
5
60
40
20
0
0
T h
(
o C)
T h
(
o C)
200
0
50
100
150
200
0
50
100
150
At
At
Tj =
Tj =
150
ºC
150
ºC
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19
Revision: 1
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