irf3805s-7p International Rectifier Corp., irf3805s-7p Datasheet - Page 5

• Manufacturer Part Number: irf3805s-7p
• Description: Hexfet Power Mosfet
• Manufacturer: International Rectifier Corp.

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250
200
150
100
0.001
50
0.01
0
0.1
1
Fig 9. Maximum Drain Current vs.
1E-005
25
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
D = 0.50
50
0.02
0.01
0.20
0.05
0.10
Case Temperature
T C , Case Temperature (°C)
75
SINGLE PULSE
( THERMAL RESPONSE )
0.0001
100
Limited By Package
125
150
t 1 , Rectangular Pulse Duration (sec)
0.001
175
τ
J
τ
J
τ
1
Ci= τi/Ri
τ
1
Ci
2.5
2.0
1.5
1.0
0.5
i/Ri
Fig 10. Normalized On-Resistance
R
-60 -40 -20 0 20 40 60 80 100120140160180
1
R
1
0.01
I D = 140A
V GS = 10V
τ
2
R
τ
2
2
R
2
T J , Junction Temperature (°C)
vs. Temperature
R
τ
3
3
R
τ
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
3
3
τ
C
τ
Ri (°C/W) τi (sec)
0.0794
0.1474
0.2737
0.1
0.000192
0.000628
0.014012
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