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IRFHM8334PBF Datasheet, PDF (5/8 Pages) International Rectifier – Control MOSFET for high frequency buck converters
IRFHM8334TRPbF
30
ID = 20A
25
20
15
TJ = 125°C
10
TJ = 25°C
5
0
5
10
15
20
VGS, Gate -to -Source Voltage (V)
Fig 12. On-Resistance vs. Gate Voltage
160
ID
140
TOP 4.3A
9.0A
120
BOTTOM 20A
100
80
60
40
20
0
25
50
75
100 125 150
Starting TJ , Junction Temperature (°C)
Fig 13. Maximum Avalanche Energy vs. Drain Current
VDS
L
RG
20V
tp
D.U.T
IAS
0.01Ω
15V
DRIVER
+
- VDD
A
Fig 14a. Unclamped Inductive Test Circuit
V(BR)DSS
tp
IAS
Fig 14b. Unclamped Inductive Waveforms
VDS
VGS
RG
RD
D.U.T.
V1G0SV
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1
+-VDD
Fig 15a. Switching Time Test Circuit
5 www.irf.com © 2013 International Rectifier
VDS
90%
10%
VGS
td(on) tr
td(off) tf
Fig 15b. Switching Time Waveforms
May 21, 2013