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IRF7335D1PBF Datasheet, PDF (9/12 Pages) International Rectifier – Dual FETKY Co-Packaged Dual MOSFET Plus Schottky Diode
IRF7335D1PbF
+
‚
-

RG
D.U.T
+
Driver Gate Drive
P.W.
Period
D=
P.W.
Period
ƒ
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
-
• Low Leakage Inductance
Current Transformer
-„ +
D.U.T. ISD Waveform
Reverse
Recovery
Current
Body Diode Forward
Current
di/dt
D.U.T. VDS Waveform Diode Recovery
dv/dt
• dv/dt controlled by RG
• Driver same type as D.U.T.
VDD
+
• ISD controlled by Duty Factor "D"
-
• D.U.T. - Device Under Test
Re-Applied
Voltage
Body Diode
Inductor Curent
Forward Drop
Ripple ≤ 5%
* VGS = 5V for Logic Level Devices
Fig. 31 Peak Diode Recovery dv/dt Test Circuit for N-Channel
HEXFET® Power MOSFETs
* VGS=10V
VDD
ISD
Id
Vds
Vgs
Vgs(th)
Qgs1 Qgs2 Qgd
Qgodr
Fig. 32 Gate Charge Waveform
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