AN1514 VIPower：双输出降压或降压-升压型转换器使用VIPer12A-E/22A-E

AN1514 VIPower：双输出降压或降压-升压型转换器使用VIPer12A-E/22A-E

AN1514
Application note
VIPower: double output buck or
buck-boost converter using VIPer12A-E/22A-E

Introduction
This paper introduces two double output off-line non isolated SMPS based on the
VIPerX2A-E family. The first SMPS is a Buck converter with two positive outputs and the
second one is a Buck-Boost converter with two negative outputs. The use of VIPer12A-E or
VIPer22A-E in both converters depends on the output power specifications. The power
supplies are operated in off-line mode with an extended wide