IRF7504 데이터 시트보기 (PDF) - International Rectifier
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IRF7504 Datasheet PDF : 8 Pages
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IRF7504
Peak Diode Recovery dv/dt Test Circuit
D.U.T
+
-
+
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
• Low Leakage Inductance
Current Transformer
-
-
+
RG
VGS*
**
• dv/dt controlled by RG
• ISD controlled by Duty Factor "D"
• D.U.T. - Device Under Test
+
-
VDD*
* Reverse Polarity for P-Channel
** Use P-Channel Driver for P-Channel Measurements
Driver Gate Drive
P.W.
Period
D=
P.W.
Period
[
] ***
VGS=10V
D.U.T. ISD Waveform
Reverse
Recovery
Current
Body Diode Forward
Current
di/dt
D.U.T. VDS Waveform Diode Recovery
dv/dt
Re-Applied
Voltage
Body Diode
Inductor Curent
Forward Drop
Ripple ≤ 5%
[]
VDD
[]
ISD
*** VGS = 5.0V for Logic Level and 3V Drive Devices
Fig 12. For P-Channel HEXFETS
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