IRFR3711ZTRL Datasheet, PDF (5/12 Pages) International Rectifier – High Frequency Synchronous Buck Converters for Computer Processor Power

IRFR/U3711Z
100
2.5
LIMITED BY PACKAGE
80
2.0
60
1.5
ID = 250µA
40
1.0
20
0.5
0
25
50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current vs.
Case Temperature
0.0
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
10
1 D = 0.50
0.20
0.10
0.1
0.05
0.02
0.01
0.01
0.001
1E-006
SINGLE PULSE
( THERMAL RESPONSE )
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci τi/Ri
R_2R2
τ_{2 τ2}
R_{3R3 Ri (°C/W) τi (sec)}
τ_{Cτ 0.805 0.000237}
τ_{3 τ3}
0.606 0.001005
0.492 0.101628
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-005
0.0001
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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