IRF7842PBF_15 Datasheet, PDF (5/10 Pages) International Rectifier – Synchronous MOSFET for Notebook Processor Power

IRF7842PbF
18
16
14
12
10
8
6
4
2
0
25
50
75
100
125
150
TJ , Junction Temperature (°C)
2.4
2.0
ID = 250μA
1.6
1.2
0.8
0.4
-75 -50 -25 0
25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 9. Maximum Drain Current Vs.
Case Temperature
Fig 10. Threshold Voltage Vs. Temperature
100
D = 0.50
10
0.20
0.10
0.05
1
0.02
0.01
0.1
0.01
0.001
0.0001
1E-006
1E-005
SINGLE PULSE
( THERMAL RESPONSE )
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci i/Ri
R_2R2
τ_{2 τ2}
R_{3R3 Ri (°C/W) τi (sec)}
τ_{Cτ 10.48 0.138167}
τ_{3 τ3}
26.83 1.8582
12.69 44.8
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
10
100
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
5
www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback
July 8, 2014