IRF7842 International Rectifier, IRF7842 Datasheet - Page 7
IRF7842
Manufacturer Part Number
IRF7842
Description
Power MOSFET(Vdss = 40 V)
Manufacturer
International Rectifier
Datasheet
1.IRF7842.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IRF7842TRPBF
Manufacturer:
IR
Quantity:
20 000
www.irf.com
Fig 16. Gate Charge Test Circuit
+
-
12V
V
GS
Same Type as D.U.T.
D.U.T
Current Regulator
.2µF
50KΩ
3mA
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
IRF7842
D =
Period
P.W.
Vgs
V
V
I
SD
GS
DD
=10V
7
Id