Insulating switching DC/DC converter

Details Insulating switching DC/DC converter Insulating switching DC/DC converter

2005-11-01

2005-11-01

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S090000, C363S021030

Reexamination Certificate

active

06961254

ABSTRACT:
In a DC/DC converter using an insulating transformer Tr having a center tap on the secondary side, an input choke coil L1and an output choke coil L3are integrated with the insulating transformer Tr, a primary coil (number of turns: 2N) and a secondary coil (number of turns: n+n) of the transformer, the input choke coil L1(number of turns: 2N), and the output choke coil L3(number of turns: n) are wound around a common core (magnetic core), and the coils are arranged in directions of canceling DC fluxes generated by the coils, so that the DC bias magnetization is considerably reduced.

REFERENCES:
patent: 6064580 (2000-05-01), Watanabe et al.
patent: 6396719 (2002-05-01), Morita et al.
patent: A 11-262263 (1999-09-01), None
Watanabe, Haruo et al., “BHB (Boost Half Bridge) Power Supply,”The Institute of Electronics, Information and Communication Engineers, Technical Report of IEICE, EE98-17, (Jul. 1998), pp. 27-34.
Watanabe, Haruo, “High Efficiency On-board Power Supply using Boost Half Bridge Method,”Switching Power Supply Symposium 2000, Japan Management Association, B2-2.
Matsuda, Yoshiaki, “Low Voltage Output High Efficiency DC/DC Converter,”Switching Power Supply Symposium 2001, Japan Management Association, A2-3.

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