Transcription of MOSFET Power Losses Calculation Using the Data- Sheet ...
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MOSFET Power Losses Calculation Using the Data- Sheet ...
Never stop Power MOSFET Power Losses Calculation Using the Data- Sheet Parameters by Dr. Du an Graovac, Marco P rschel, Andreas Kiep Application Note, V , July 2006 MOSFET Converter Losses Application Note 2 2006-07-31 Table of Content 1 Abstract ..3 2 MOSFET and Diode Losses ..3 Conduction RDSon - Taking the Temperature and Production Variations into switching Losses ..6 Switch-on Switch-off switching Energies and Losses ..10 Loss 3 Application Specific Parameters ..11 Step-down (Buck) Step-up (Boost) Converter ..12 DC Motor Three-Phase AC Motor Switched Reluctance Motor Drive ..18 Piezo-Electric Actuator ..19 4 5 MOSFET Converter Losses 31 Abstract The aim of this Application Note is to provide a mathematical tool for the Calculation of Power Losses in MOSFET -based Power electronics converters used in automotive applications.
MOSFET Converter Losses 6 2.2 Switching Losses The circuit for the examination of the MOSFET switching losses is presented in fig. 5. It is a single-quadrant chopper supplying an inductive type load. The MOSFET is driven from the driver circuit, providing a voltage U Dr at its output. The MOSFET internal diode is used as a free-wheeling diode ...
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