auirlr120ntrl International Rectifier Corp., auirlr120ntrl Datasheet - Page 8

• Manufacturer Part Number: auirlr120ntrl
• Description: Hexfet Power Mosfet
• Manufacturer: International Rectifier Corp.

AUIRLR120N
8
Re-Applied
Voltage
Reverse
Recovery
Current

‚
+
-
R
D.U.T
G
*
Driver Gate Drive
D.U.T. I
D.U.T. V
Inductor Curent
V
GS
= 5V for Logic Level Devices
P.W.
SD
DS
Waveform
Waveform
Fig 14. For N-Channel HEXFETS
Peak Diode Recovery dv/dt Test Circuit
Ripple ≤ 5%
Body Diode
Period
Body Diode Forward
+
-
ƒ
• dv/dt controlled by R
• Driver same type as D.U.T.
• I
• D.U.T. - Device Under Test
SD
Diode Recovery
Current
controlled by Duty Factor "D"
Circuit Layout Considerations
dv/dt
Forward Drop
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
di/dt
Current Transformer
D =
-
G
Period
„
P.W.
+
V
V
I
SD
GS
DD
=10V
+
-
V
DD
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