Direct current to direct current power supply apparatus
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Mar 19, 2015
filing date -
Apr 16, 2014
priority date (Note) -
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Abstract
Disclosed herein is a DC/DC power supply apparatus, which includes a plurality of power boards, a control board and a main board. The plurality of power boards are coupled in parallel with one another, and each power board includes a carrier circuit board and a power device disposed on the carrier circuit board. The control board includes a feedback control circuit and a PWM generator circuit; the feedback control circuit is configured to receive one or more feedback signals from the power boards; the PWM generator circuit outputs a PWM control signal to the power boards based on the feedback signal. The main board is electrically coupled to the power boards and the control board.
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