AN1894 VIPower：VIPer12A非绝缘降压和降压-升压转换器的参考板

AN1894 VIPower：VIPer12A非绝缘降压和降压-升压转换器的参考板

AN1894
- APPLICATION NOTE
VIPower: VIPer12A NON ISOLATED BUCK AND
BUCK-BOOST CONVERTER REFERENCE BOARD
P. LIDAK - R. HAUSER


ABSTRACT
Presented circuit can be used to produce a single, non isolated positive or negative voltage. It is
dedicated for building an auxiliary power supply based on the VIPer12AS monolithic device with rather
low output power required.


1. INTRODUCTION
There are some applications, where an off-line power supply without isolation between input and output
can be tolerated and rather low output current is required. In this case t