AUIRF3805 Datasheet, PDF (6/15 Pages) International Rectifier – HEXFET® Power MOSFET

AUIRF3805/S/L
240
LIMITED BY PACKAGE
200
160
120
80
40
0
25
50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
2.0
ID = 75A
VGS = 10V
1.5
1.0
0.5
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
TJ , Junction Temperature (°C)
Fig 10. Normalized On-Resistance
Vs. Temperature
1
D = 0.50
0.1
0.20
0.10
0.05
0.01
0.02
0.01
0.001
0.0001
1E-006
SINGLE PULSE
( THERMAL RESPONSE )
1E-005
0.0001
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci i/Ri
R_2R2
τ_Cτ
τ_{2 τ2}
Ri (°C/W) τi (sec)
0.2653 0.001016
0.2347 0.012816
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
6
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