72CPQ030 Datasheet, PDF (4/5 Pages) International Rectifier – SCHOTTKY RECTIFIER

72CPQ030
PD-20557 rev. B 11/99
1 50
1 40
DC
1 30
120 ^{Square wave (D = 0.50)}
80% Rated V _R ap plied
1 10
see note (2)
1 00
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)
1 0 0 00
25
D = 0.20
20 ^{D = 0.25}
D = 0.33
D = 0.50
15 ^{D = 0.75}
10
DC
RMS Lim it
5
0
0
10
20
30
40
50
Average Forward Curren t - I _{F(AV )} (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
D UT
C URRE NT
MON ITOR
1 0 00
At Any Rated Load Con dition
And With Rated V _RRM Applied
Following Surge
1 00
10
10 0
1 0 00
10 0 00
Square Wave Pulse Duration - t _p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IRFP460
Rg = 25 ohm
HIGH-SPE ED
SWITC H
FREE-WHEEL
D IOD E
40HFL40S02
+ ^{V d = 25 V olt}
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: T_C = T_J - (Pd + Pd_REV) x R_thJC ;
Pd = Forward Power Loss = I_F(AV) x V_FM @ (I_F(AV) / D) (see Fig. 6);
Pd_REV = Inverse Power Loss = V_R1 x I_R (1 - D); I_R @ V_R1= 80% rated V_R
4
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