AN2840 EVLVIP17 5WCHG：5瓦的低待机功耗电池充电器演示板根据VIPER17HN

AN2840 EVLVIP17 5WCHG：5瓦的低待机功耗电池充电器演示板根据VIPER17HN

AN2840
Application note
EVLVIP17-5WCHG: 5 W low standby consumption battery
charger demonstration board based on the VIPER17HN

Introduction
The EVLVIP17-5WCHG demonstration board is a 5 W SMPS for use as a travel battery
charger for applications such as mobile phones, PDAs and electronic games. The purpose
of the board is to demonstrate the performance of the VIPER17HN off-line high voltage
converter. Thanks to its low consumption and other features, good electrical performance is
achieved. To obtain constant output voltage and current regulation (CV/CC),