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IRF7451PBF Datasheet(PDF) 5 Page - International Rectifier

Part No. IRF7451PBF
Description  SMPS MOSFET
Download  8 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IRF7451PBF Datasheet(HTML) 5 Page - International Rectifier

   
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IRF7451PbF
www.irf.com
5
Fig 10. Maximum Effective Transient Thermal Impedance, Junction-to-Case
0.1
1
10
100
0.0001
0.001
0.01
0.1
1
10
100
1000
Notes:
1. Duty factor D = t / t
2. Peak T = P
x Z
+ T
1
2
J
DM
thJC
C
P
t
t
DM
1
2
t , Rectangular Pulse Duration (sec)
1
0.01
0.02
0.05
0.10
0.20
D = 0.50
SINGLE PULSE
(THERMAL RESPONSE)
Fig 10a. Switching Time Test Circuit
VDS
90%
10%
VGS
td(on)
tr
td(off) tf
Fig 10b. Switching Time Waveforms
VDS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
RD
VGS
RG
D.U.T.
10V
+
-V
DD
25
50
75
100
125
150
0.0
1.0
2.0
3.0
4.0
T , Case Temperature ( C)
°
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
TA , Ambient Temperature (°C)


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