IRF3717 データシートの表示（PDF） - International Rectifier
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IRF3717 Datasheet PDF : 10 Pages
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IRF3717
20
2.5
15
2.0
10
ID = 250µA
1.5
5
0
25
50
75
100 125 150
TA , Ambient Temperature (°C)
Fig 9. Maximum Drain Current vs.
Ambient Temperature
1.0
-75 -50 -25 0 25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
100
D = 0.50
10
0.20
0.10
0.05
1
0.02
0.01
0.1
SINGLE PULSE
0.01
( THERMAL RESPONSE )
0.001
1E-006
1E-005
0.0001
0.001
τJ τJ
τ1 τ1
R1R1
Ci= τi/Ri
Ci i/Ri
R2R2
τ2 τ2
R3R3
R4R4
τCτ
Ri (°C/W)
1.4174
11.3607
τi (sec)
0.000277
0.103855
τ3 τ3
τ4 τ4
21.8639 1.362000
15.3721 39.60000
P DM
t1
t2
Notes:
1. Duty factor D =
t1/ t 2
2. Peak T J = P DM x Z thJA
+T A
0.01
0.1
1
10
100
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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