Title:
POWER SUPPLY THAT MAINTAINS AUXILIARY BIAS WITHIN TARGET RANGE
Document Type and Number:
WIPO Patent Application WO/2013/138220
Kind Code:
A3
Abstract:
A power supply includes a switch configured to control flow of current output from an inductor to an output of the power supply. The switch receives a switching signal from a control circuit. An auxiliary bias is generated to power the control circuit. A bias circuit outputs a bias signal that is used to generate the auxiliary bias. The bias circuit senses a level of the auxiliary bias to control output of the bias signal. Output of the bias signal may be controlled to maintain the level of the auxiliary bias at a target level or within a target range.
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Inventors:
ATHALYE PRANEET JAYANT (US)
Application Number:
PCT/US2013/030135
Publication Date:
May 30, 2014
Filing Date:
March 11, 2013
Export Citation:
Assignee:
CREE INC (US)
International Classes:
H02M3/158; H05B44/00
Domestic Patent References:
| WO2010057115A2 | 2010-05-20 |
Foreign References:
| US20030016545A1 | 2003-01-23 | |||
| US20090190379A1 | 2009-07-30 | |||
| US20060103363A1 | 2006-05-18 | |||
| US20090108908A1 | 2009-04-30 | |||
| US20050243022A1 | 2005-11-03 | |||
| US5691889A | 1997-11-25 | |||
| US20080231115A1 | 2008-09-25 |
Attorney, Agent or Firm:
NYKIEL, E., Brandon (P.o. Box 10087Chicago, IL, US)
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