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IRF7478QTRPBF Datasheet, PDF (5/9 Pages) International Rectifier – Advanced Process Technology
END OF LIFE
IRF7478QPbF
8.0
RD
VDS
6.0
VGS
RG
D.U.T.
+-VDD
10V
4.0
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
2.0
0.0
25
50
75
100
125
150
TC , Case Temperature ( °C)
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
Fig 10a. Switching Time Test Circuit
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 10b. Switching Time Waveforms
100
D = 0.50
10
0.20
0.10
0.05
1
0.02
0.01
PDM
SINGLE PULSE
0.1
(THERMAL RESPONSE)
t1
t2
Notes:
1. Duty factor D = t1 / t 2
0.01
0.00001
0.0001
0.001
0.01
2. Peak T J = P DM x Z thJA + TA
0.1
1
10
100
t1, Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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