IRFH5250DPBF_15 Datasheet, PDF (5/9 Pages) International Rectifier – Synchronous MOSFET for high frequency buck converters

4
ID = 50A
3
2
TJ = 125°C
1
TJ = 25°C
0
2 4 6 8 10 12 14 16 18 20
VGS, Gate -to -Source Voltage (V)
Fig 12. On-Resistance vs. Gate Voltage
1000
100
IRFH5250DPbF
2000
1800
1600
1400
ID
TOP 18A
24A
BOTTOM 50A
1200
1000
800
600
400
200
0
25
50
75
100 125 150
Starting TJ , Junction Temperature (°C)
Fig 13. Maximum Avalanche Energy vs. Drain Current
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming ΔTj = 125°C and
Tstart =25°C (Single Pulse)
10
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming ΔΤ j = 25°C and
Tstart = 125°C.
1
1.0E-06
1.0E-05
1.0E-04
tav (sec)
1.0E-03
1.0E-02
Fig 14. Typical Avalanche Current vs. Pulsewidth
1.0E-01
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June 23, 2015