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Title:
BUCK DC-TO-DC CONVERTER HAVING NOVEL OUTPUT PROTECTION MECHANISM
Document Type and Number:
Japanese Patent JP2013162739
Kind Code:
A
Abstract:

To provide a buck DC-to-DC converter capable of using less tapping points to attain over-current protection in power applications having multiple outputs.

A buck DC-to-DC converter includes: a buck converter circuit having a line input end, a DC output end, a first feedback end, and a second feedback end; a voltage divider having an input terminal coupled to the DC output end of the buck converter circuit, and an output terminal coupled to the first feedback end of the buck converter circuit; and an output current sensing resistor having one end coupled to the DC output end of the buck converter circuit, and the other end coupled to the second feedback end of the buck converter circuit. The buck DC-to-DC converter regulates a DC output voltage at the DC output end of the buck converter circuit and generates a protection signal for the buck converter circuit.


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Inventors:
CHIA CHEE HOONG
WU CHUNG-HAN
HUANG FENG-JUNG
Application Number:
JP2012250144A
Publication Date:
August 19, 2013
Filing Date:
November 14, 2012
Export Citation:
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Assignee:
IMMENSE ADVANCE TECHNOLOGY CORP
International Classes:
H02M3/155
Attorney, Agent or Firm:
Tsuyoshi Takahashi
Masakazu Takahashi
Tomokazu Takahashi



 
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