80CPQ020PBF_12 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Schottky Rectifier, 2 x 40 A

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VS-80CPQ020PbF, VS-80CPQ020-N3
Vishay Semiconductors
150
145
DC
140
135
Square wave (D = 0.50)
130 ^{10 V applied}
125
See note (1)
120
0
10
20
30
40
50
60
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
10 000
25
D = 0.20
D = 0.25
20
D = 0.33
D = 0.50
D = 0.75
15
10
DC
5
RMS limit
0
0
10
20
30
40
50
60
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
1000
At any rated load condition
and with rated V_RRM applied
following surge
100
10
100
1000
10 000
t_p - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
D.U.T.
Current
monitor
L
IRFP460
R_g = 25 Ω
High-speed
switch
Freewheel
diode
+ ^{Vd = 25 V}
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
Note
(1) _{Formula used: TC = TJ - (Pd + PdREV) x RthJC;}
Pd = Forward power loss = I_F(AV) x V_FM at (I_F(AV)/D) (see fig. 6);
Pd_REV = Inverse power loss = V_R1 x I_R (1 - D); I_R at V_R1 = 10 V
Revision: 31-Aug-11
4
Document Number: 94256
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