VS-52CPQ030PbF, VS-52CPQ030-N3
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Vishay Semiconductors
Revision: 31-Aug-11
4
Document Number: 94237
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Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
Fig. 7 - Maximum Non-Re
petitive Surge Current
(Per Leg)
Fig. 8 - Unclamped Inductive Test Circuit
Note
(1)
Formula used: TC
= T
J
- (Pd + Pd
REV) x RthJC;
Pd = Forward power loss = IF(AV)
x V
FM
at (I
F(AV)/D) (see fig. 6);
PdREV
= Inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= 80 % rated V
R
100
110
120
130
140
150
Allowable Case Temperature (°C)
IF(AV) - Average Forward Current (A)
5 15 20 10
25
30
40
35
0
DC
See note (1)
Square wave (D = 0.50)
80 % rated VR
applied
0
5
10
15
Average Power Loss (W)
IF(AV) - Average Forward Current (A)
5152010
25 30 35
40
0
DC
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
100
10 000
1000
I
FSM
- Non-Repetitive Surge Current (A)
tp - Square Wave Pulse Duration (μs)
100 1000
10 000
10
At any rated load condition
and with rated VRRM
applied
following surge
Current
monitor
High-speed
switch
D.U.T.
Rg
= 25
Ω
+
Vd
= 25
V
Freewheel
diode
L
IRFP460
40HFL40S02
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