AN3119 250瓦的过渡模式PFC预稳压器与新L6563S

AN3119 250瓦的过渡模式PFC预稳压器与新L6563S

AN3119
Application note

250 W transition-mode PFC pre-regulator with the new L6563S

Introduction
This application note describes a demonstration board based on the new transition-mode
PFC controller L6563S and presents the results of its bench evaluation. The board
implements a 250 W, wide-range mains input PFC pre-conditioner suitable for desktop PCs,
industrial SMPS, flat screen displays, and all SMPS having to meet the IEC61000-3-2 or the
JEITA-MITI standard.

Figure 1. EVL6563S-250W: L6563S 250W TM PFC demonstration board




November 2010