ECRI Microelectronics

Design of Output Short Protection Circuit of High Power and Wide Input DC/DC Converter

Abstract: This article firstly analyzes the operating principle of the traditional output short protection circuit and give its deficiency occurred in the high power and wide input DC/DC converter application. Then a new output short protection circuit is proposed. It is more suitable for high power and wide range input DC-DC converer. And the operating principle and key part of thecircuit are analyzed in detail. Finally, the simulation analysis of comparing between the traditional circuit and proposed circuit arecarried out by utilizing of saber simulation software

Key Words: short protection, current transformer, threhold compensation, wide range voltage input

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