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IRFB31N20D Datasheet, PDF (5/11 Pages) International Rectifier – Power MOSFET(Vdss=200V, Rds(on)max=0.082ohm, Id=31A)
IRFB/IRFS/IRFSL31N20D
30
25
20
15
10
5
0
25
50
75
100 125 150 175
TC , Case Temperature ( °C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
1
VDS
VGS
RG
RD
D.U.T.
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
+-VDD
Fig 10a. Switching Time Test Circuit
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 10b. Switching Time Waveforms
D = 0.50
0.20
0.1
0.10
0.05
0.02
0.01
0.01
0.00001
PDM
t1
SINGLE PULSE
(THERMAL RESPONSE)
t2
Notes:
1. Duty factor D = t1 / t 2
2. Peak T J = P DM x Z thJC + TC
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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