irf7805zupbf International Rectifier Corp., irf7805zupbf Datasheet - Page 7

• Manufacturer Part Number: irf7805zupbf
• Description: 30v Single N-channel Hexfet Power Mosfet
• Manufacturer: International Rectifier Corp.

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Fig 16. Gate Charge Test Circuit
+
-
12V
V
GS
Same Type as D.U.T.
D.U.T
Current Regulator
.2µF
50KΩ
3mA
ƒ
Fig 15.
+
-
Current Sampling Resistors
•
•
•
•
.3µF
SD
I
G
•
•
•
D.U.T.
I
-
D
„
G
HEXFET
+
+
-
V
DS
®
+
-
Power MOSFETs
Re-Applied
Voltage
Reverse
Recovery
Current
Vgs(th)
Qgs1 Qgs2
Vds
Driver Gate Drive
D.U.T. I
D.U.T. V
Inductor Curent
Fig 17. Gate Charge Waveform
P.W.
SD
DS
Waveform
Waveform
Ripple ≤ 5%
for N-Channel
Body Diode
Period
Qgd
Body Diode Forward
Diode Recovery
Current
dv/dt
Forward Drop
di/dt
Qgodr
D =
Period
P.W.
Vgs
V
V
I
SD
GS
DD
=10V
7
Id