IRLR/U8726PbF
100
LIMITED BY PACKAGE
80
60
40
20
0
25
50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current vs.
Case Temperature
2.5
ID = 500µA
ID = 50µA
2.0
ID = 25µA
1.5
1.0
0.5
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
10
1 D = 0.50
0.20
0.10
0.1
0.05
0.02
0.01
0.01
SINGLE PULSE
( THERMAL RESPONSE )
0.001
1E-006
1E-005
0.0001
R1R1
R2R2
R3R3
R4 Ri (°C/W) τι (sec)
R4
τJ
τJ
τ1
τ1
τC 0.014297 0.000003
τ2 τ2
τ3
τ4 τ 0.373312 0.00009
τ3
τ4
1.010326 0.000973
Ci= τi/Ri
Ci i/Ri
0.602065 0.007272
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
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