IRF7842 International Rectifier, IRF7842 Datasheet - Page 5

• Manufacturer Part Number: IRF7842
• Description: Power MOSFET(Vdss = 40 V)
• Manufacturer: International Rectifier

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0.0001
0.001
0.01
100
0.1
10
18
16
14
12
10
Fig 9. Maximum Drain Current Vs.
1
8
6
4
2
0
1E-006
25
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
D = 0.50
Case Temperature
0.10
0.05
0.02
0.20
0.01
T J , Junction Temperature (°C)
50
1E-005
75
0.0001
SINGLE PULSE
( THERMAL RESPONSE )
100
125
t 1 , Rectangular Pulse Duration (sec)
0.001
150
0.01
Fig 10. Threshold Voltage Vs. Temperature
τ
J
τ
J
τ
1
Ci= τi/Ri
2.4
2.0
1.6
1.2
0.8
0.4
τ
1
Ci τi/Ri
-75
R
1
R
1
-50
0.1
τ
2
τ
R
2
-25
2
R
2
T J , Temperature ( °C )
R
τ
0
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
3
3
R
τ
3
3
1
25
τ
C
τ
Ri (°C/W)
10.48
26.83
12.69
50
IRF7842
75
I D = 250µA
10
100
0.138167
1.8582
44.8
τi (sec)
125 150
5
100