IRFR/U3709ZCPbF
2.5
2.0
1.5
1.0
0.5
0.0
100
90
80
70
60
50
40
30
20
10
0
Limited By Package
I
= 250µA
D
-75 -50 -25
0
25 50 75 100 125 150 175
25
50
75
100
125
150
175
T , Temperature ( °C )
J
T
, Case Temperature (°C)
C
Fig 9. Maximum Drain Current vs.
Fig 10. Threshold Voltage vs. Temperature
Case Temperature
10
1
D = 0.50
0.20
0.10
0.05
R1
R1
R2
R2
R3
R3
Ri (°C/W) τi (sec)
0.1
0.01
τ
J τJ
τ
τ
0.810
0.640
0.451
0.000260
0.001697
0.021259
Cτ
0.02
0.01
τ
1τ1
τ
2 τ2
3τ3
Ci= τi/Ri
Ci= τi/Ri
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
1E-006
1E-005
0.0001
0.001
0.01
0.1
1
10
t
, Rectangular Pulse Duration (sec)
1
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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5
KERSEMI [ Kersemi Electronic Co., Ltd. ]
