IRF8714PBF-1_15 Datasheet, PDF (5/9 Pages) International Rectifier – Control MOSFET of Sync-Buck Converters used for Notebook Processor Power

IRF8714PbF-1
14
12
10
8
6
4
2
0
25
50
75
100 125 150
TA , Ambient Temperature (°C)
Fig 9. Maximum Drain Current vs.
Ambient Temperature
2.5
2.0
ID = 25μA
1.5
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
SINGLE PULSE
( THERMAL RESPONSE )
0.1
0.01
0.001
R _{1R 1}
R _{2R 2}
R _{3R 3}
R _{4R 4}
Ri (°C/W) τi (sec)
τ_{J τJ}
τ_{1 τ1}
τ_AτA 1.9778
0.000165
τ_{2 τ2}
τ_{3 τ3}
τ_{4 τ4}
7.4731 0.022044 Notes:
26.2617 0.82275 ^{1. Duty Factor D = t1/t2}
Ci= τi/Ri
Ci= τi/Ri
14.2991 28.4
2. Peak Tj = P dm x Zthja + T _A
1E-006
1E-005
0.0001
0.001
0.01
0.1
1
10
100
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
5
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November 22, 2013