IRF7503 International Rectifier Corp., IRF7503 Datasheet - Page 6

• Manufacturer Part Number: IRF7503
• Description: Hexfet Power Mosfet
• Manufacturer: International Rectifier Corp.

IRF7503
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
P.W.
= 5V for Logic Level Devices
SD
DS
Waveform
Waveform
Fig 12. For N-Channel HEXFETS
Peak Diode Recovery dv/dt Test Circuit
Ripple
Body Diode
Period
Body Diode Forward
+
-
dv/dt controlled by R
Driver same type as D.U.T.
I
D.U.T. - Device Under Test
SD
Diode Recovery
5%
Current
controlled by Duty Factor "D"
Circuit Layout Considerations
dv/dt
Forward Drop
di/dt
Current Transformer
Low Stray Inductance
Ground Plane
Low Leakage Inductance
D =
-
G
Period
P.W.
+
V
V
I
SD
GS
DD
=10V
+
-
V
DD
*