资料介绍
AN3172 19伏- 90瓦带PFC适配器为笔记本电脑使用的L6563H和L6599A
AN3172
Application note
19 V - 90 W adapter with PFC for laptop computers
using the L6563H and L6599A
Introduction
This application note describes the performance of a 90 W, wide-range mains, power-factor-
corrected, AC-DC adapter demonstration board. Its electrical specification is tailored on a
typical hi-end portable computer power adapter.
The architecture is based on a two-stage approach; a front-end PFC pre-regulator based on
the L6563H TM PFC controller and a downstream LLC resonant half-bridge converter using
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