80CNQ35APBF Datasheet, PDF (4/7 Pages) International Rectifier – SCHOTTKY RECTIFIER New GenIII D-61 Package

80CNQ...APbF, 80CNQ...ASMPbF Series
Bulletin PD-21002 01/05
160
140
DC
120
Square wave (D = 0.50)
80% Rated Vr applied
100
see note (2)
80
0 10 20 30 40 50 60
Average Forward Current - I_F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
10000
30
D = 0.20
D = 0.25
25 _{D = 0.33}
D = 0.50
20 ^{D = 0.75}
RMS Limit
15
DC
10
5
0
0 10 20 30 40 50 60
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 Vrrm 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: 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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