IRF8734PBF_15 Datasheet, PDF (5/10 Pages) International Rectifier – Synchronous MOSFET for Notebook Processor Power

IRF8734PbF
25
2.5
20
2.0
15
ID = 50µA
1.5
10
1.0
5
0
25
50
75
100 125 150
TA , Ambient Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
0.5
-75 -50 -25 0 25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 10. Threshold Voltage Vs. Temperature
100
D = 0.50
10
1
0.1
0.01
0.001
1E-006
0.20
0.10
0.05
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci i/Ri
R_2R2
τ_{2 τ2}
1E-005 0.0001
0.001
0.01
0.1
R_3R3
R_4R4
Ri (°C/W) τi (sec)
9.66830 0.169346
τa_{Cτ 16.3087 11.46293}
τ_{3 τ3}
τ_{4 τ4}
20.7805 1.815389
3.14828 0.005835
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + T _A
1
10
100
1000
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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