V23990-K420-A40-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)
100
200
160
120
80
10-1
D = 0,5
0,2
Tj = Tjmax-25°C
0,1
0,05
0,02
0,01
0,005
0.000
40
0
Tj = 25°C
10-2
10-5
0
0,3
0,6
0,9
1,2
1,5
1,8
VF (V)
t p (s)
10-4
10-3
10-2
10-1
100
1011
At
At
tp =
tp / T
0,7
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)
240
180
120
60
120
100
80
60
40
20
0
0
T h
(
o C)
T h (
o C)
0
30
60
90
120
150
0
30
60
90
120
150
At
At
Tj =
Tj =
150
ºC
150
ºC
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12
Revision: 2.1