V23990-P623-L82-PM
Boost Inverse Diode ( D9 , D10 )
Figure 25
Boost Inverse Diode
Figure 26
Boost 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
40
30
20
10
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
Tj = Tjmax-25°C
Tj = 25°C
0
0
1
2
3
4
10-5
10-4
10-3
10-2
10-1
100
10110
VF (V)
t p (s)
At
At
tp =
250
µs
D =
tp / T
2,28
RthJH
=
K/W
Figure 27
Power dissipation as a
Boost Inverse Diode
Figure 28
Forward current as a
Boost Inverse Diode
function of heatsink temperature
function of heatsink temperature
Ptot = f(Th)
IF = f(Th)
80
60
40
20
0
30
25
20
15
10
5
0
o C)
Th (
o C)
0
50
100
150
200
0
50
100
150
200
Th
(
At
At
Tj =
Tj =
175
ºC
175
ºC
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