IRFR3707ZTRL Datasheet, PDF (5/11 Pages) Kersemi Electronic Co., Ltd. – High Frequency Synchronous Buck Converters for Computer Processor Power

IRFR/U3707ZPbF
60
50
Limited By Package
40
30
20
10
0
25
50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current vs.
Case Temperature
2.5
2.0
ID = 250µA
1.5
1.0
-75 -50 -25 0 25 50 75 100 125 150 175 200
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
10
D = 0.50
1
0.20
0.10
0.05
0.1
0.02
0.01
SINGLE PULSE
0.01
( THERMAL RESPONSE )
0.001
1E-006
1E-005
0.0001
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 0.823 0.000128}
τ_{3 τ3}
1.698 0.000845
0.481 0.016503
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
www.kersemi.com
5