V23990-P587-*2*-PM
Input Rectifier Bridge
Figure 1
Rectifier diode
Figure 2
Rectifier 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
120
100
80
60
40
20
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)
0,0
0,3
0,6
0,9
1,2
1,5
1,8 VF (V) 2,1
10-5
10-4
10-3
10-2
10-1
100
1011
At
At
D =
tp =
tp / T
250
ꢁs
Thermal grease
RthJH
Phase change material
RthJH
K/W
=
=
1,91
K/W
1,63
Figure 3
Power dissipation as a
Rectifier diode
Figure 4
Forward current as a
Rectifier diode
function of heatsink temperature
function of heatsink temperature
Ptot = f(Th)
IF = f(Th)
90
75
60
45
30
15
0
56
48
40
32
24
16
8
0
T h
(
o C)
T h (
o C)
0
50
100
150
0
30
60
90
120
150
At
Tj =
At
Tj =
150
ºC
150
ºC
copyright Vincotech
17
Revision: 2