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| IRF7755 Datasheet, PDF (5/8 Pages) International Rectifier – Power MOSFET(Vdss=-20V) | |||
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IRF7755
4.0
3.0
2.0
1.0
0.0
25
50
75
100
125
150
TC , Case Temperature ( °C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
1000
VDS
VGS
RG
RD
D.U.T.
-
+ VDD
VGS
Pulse Width ⤠1 µs
Duty Factor ⤠0.1 %
Fig 10a. Switching Time Test Circuit
VGS
10%
td(on) tr
td(off) tf
90%
VDS
Fig 10b. Switching Time Waveforms
100
D = 0.50
0.20
0.10
10
0.05
0.02
PDM
0.01
1
t1
t2
SINGLE PULSE
(THERMAL RESPONSE)
0.1
0.00001
0.0001
0.001
0.01
Notes:
1. Duty factor D = t1 / t 2
2. Peak TJ = P DM x ZthJA + 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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