40L15CT Datasheet, PDF (4/8 Pages) International Rectifier – SCHOTTKY RECTIFIER

40L15CT, 40L15CTS, 40L15CT-1
Bulletin PD-20568 rev. E 09/01
100
95
90
85 Square wave (D = 0.50)
80
75
see note (2)
70
0
4
8
12 16 20 24
Average Forw ard Current - I _F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
1000
14
D = 0.20
12
D = 0.25
D = 0.33
D = 0.50
10 _{D = 0.75}
8
RM S Lim it
DC
6
4
2
0
0
5
10 15 20 25 30
Average Forward Current - I _F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
DUT
CURRENT
M O N ITO R
At An y Rated Load C ondition
An d W ith Rated V _RRM Ap plied
Follow in g Surg e
100
10
100
1000
10000
Sq uare W ave Pulse D uration - t _p (m icrosec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
IRFP460
Rg = 25 ohm
HIG H-SPEED
SW ITC H
FREE-W HE EL
D IO D E
40H FL40S02
+ ^{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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