资料介绍
AN2690 19伏- 75瓦用的PFC预调节器的适配器使用的L6563和型号L6566A
AN2690
Application note
19 V - 75 W adapter with pre-regulator PFC
using the L6563 and the L6566A
Introduction
This application note describes the characteristics and the features of a 75 W reference
board, wide-range input mains and power-factor corrected. Its electrical specification is
tailored on a typical high-end portable computer power adapter. The peculiarities of this
design are very low standby power consumption and excellent global efficiency.
Figure 1. L6566A and L6563-75W ada
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