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Low Temperature Operation of a Switching Power ConverterThe low temperature operation of a 48 W, 50 kHz, 36/12 V pulse width modulated (PWM) buck de-de power converter designed with standard commercially available components and devices is reported. The efficiency of the converter increased from 85.6% at room temperature (300 K) to 92.0% at liquid nitrogen temperature (77 K). The variation of power MOSFET, diode rectifier, and output filter inductor loss with temperature is discussed. Relevant current, voltage. and power waveforms are also included.
Document ID
20010000369
Acquisition Source
Headquarters
Document Type
Conference Paper
Authors
Anglada-Sanchez, Carlos R. (Puerto Rico Univ. Mayaguez, Puerto Rico)
Perez-Feliciano, David (Puerto Rico Univ. Mayaguez, Puerto Rico)
Ray, Biswajit (Puerto Rico Univ. Mayaguez, Puerto Rico)
Date Acquired
August 20, 2013
Publication Date
February 1, 1997
Publication Information
Publication: NASA University Research Centers Technical Advances in Education, Aeronautics, Space, Autonomy, Earth and Environment
Volume: 1
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
URC97010
Report Number: URC97010
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle20010000359Collected WorksNASA University Research Centers Technical Advances in Education, Aeronautics, Space, Autonomy, Earth and Environment20010000359Collected WorksNASA University Research Centers Technical Advances in Education, Aeronautics, Space, Autonomy, Earth and Environment
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