IRFP4127PBF_15 Datasheet, PDF (5/9 Pages) International Rectifier – High Efficiency Synchronous Rectification in SMPS

IRFP4127PbF
1
D = 0.50
0.1
0.20
0.10
0.05
0.01
0.02
0.01
0.001
1E-006
R_1R1
_{J J}
_{1 1}
SINGLE PULSE
( THERMAL RESPONSE )
Ci= iRi
Ci= iRi
R_2R2
_{2 2}
Ri (°C/W) I (sec)
R_3R3
R_4R4
0.02 0.000019
_{CC 0.08333 0.000078}
_{3 3}
_{4 4}
0.181667 0.001716
0.11333 0.008764
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 13. Maximum Effective Transient Thermal Impedance, Junction-to-Case
100
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming Tj = 150°C and
Tstart = 25°C (Single Pulse)
10
1
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming j = 25°C and
Tstart = 150°C.
0.1
1.0E-06
1.0E-05
1.0E-04
tav (sec)
1.0E-03
Fig 14. Typical Avalanche Current vs. Pulse Width
250
TOP
Single Pulse
BOTTOM 1% Duty Cycle
200
ID = 44A
150
100
50
0
25
50
75
100 125 150 175
Starting TJ , Junction Temperature (°C)
Fig 15. Maximum Avalanche Energy vs. Temperature
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1.0E-02
March 09, 2015