V23990-K242-A-PM
D8,D9,D10,D11,D12,D13
Figure 1
D8,D9,D10,D11,D12,D13 diode
Figure 2
D8,D9,D10,D11,D12,D13 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
150
120
90
60
30
0
Tj = 25°C
Tj = Tjmax-25°C
D = 0,5
0,2
0,1
0,05
0,02
0,01
0,005
0.000
t p (s)
VF (V)
0,0
0,4
0,8
1,2
1,6
2,0
10-5
10-4
10-3
10-2
10-1
100
1011
At
At
tp =
tp / T
0,90
250
ꢁs
D =
RthJH
=
K/W
Figure 3
Power dissipation as a
D8,D9,D10,D11,D12,D13 diode
Figure 4
Forward current as a
D8,D9,D10,D11,D12,D13 diode
function of heatsink temperature
function of heatsink temperature
Ptot = f(Th)
IF = f(Th)
180
150
120
90
120
100
80
60
40
20
0
60
30
0
T h
(
o C)
T h (
o C)
150
0
30
60
90
120
150
0
30
60
90
120
At
At
Tj =
Tj =
150
ºC
150
ºC
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11
Revision: 3.1
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