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PD - 97015
IRFD123
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1 06/09/05
IRFD123
2
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IRFD123
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IRFD123
4
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IRFD123
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IRFD123
6
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IRFD123
Peak Diode Recovery dv/dt Test Circuit
+
Circuit Layout Considerations • Low Stray Inductance • Ground Plane • Low Leakage Inductance Current Transformer
+ +
-
• dv/dt controlled by RG • ISD controlled by Duty Factor "D" • D.U.T. - Device Under Test
+ -
*
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
VDD
Re-Applied Voltage Inductor Curent
Body Diode
Forward Drop
Ripple ≤ 5%
ISD
*** VGS = 5.
IRFD123 Datasheet
