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72CPQ030PBF Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER 70 Amp
72CPQ030PbF
Bulletin PD-20799 rev. A 11/06
150
140
DC
130
120 Square wave (D = 0.50)
80%Rated VR applied
110
see note (2)
100
0 5 10 15 20 25 30 35 40 45 50 55
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
10000
25
D = 0.20
20 D = 0.25
D = 0.33
D = 0.50
15 D = 0.75
10
DC
RMSLimit
5
0
0
10
20
30
40
50
Average Forward Current - I F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
DUT
CURRENT
MONITOR
1000
At Any Rated Load Condition
And With Rated V RRM Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IRFP460
Rg = 25 ohm
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
+ Vd = 25 Volt
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
4
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