Yi Electronics Co., Ltd. of Shenzhen City, the production and sales of professional power supply IC, DC / DC boost chip 5V, 3V, 3.3V, adjustable output voltage boost IC, LDO Regulator 6206 series enables end series LDO, low voltage detection Reset IC, backlight driver IC, LED driver IC, MOS pipe and other products, the main range of applications: portable products, MP3, MP4, PMP, digital camera, optical mouse, LED lights, remote control toys, electronic dictionaries, video machines , wireless headphones, wireless mouse and keyboard, sphygmomanometer, medical equipment, car alarm, LED flashlight, DC shengdeng, solar lawn light, chargers, keyboards electric toy products, LCM, interface converters, instrumentation, flashing lights, there Clock display product control circuit. 0755-83597112-631 Kang: 13530003715 http://www.szlianyi.com.cn Address: Futian District, Shenzhen Xinzhou Road, Building A, Golden Tower 嘉葆润 primary side control AC-DC, 431 less optocoupler and peripheral feedback circuit, so the cost is lower, the volume is smaller. LY6305 is my company for USB, Apple charging AC-DC charger and other research and development of the chip, the chip input voltage :85-265V Output power: 5W standby power consumption of less than 100MW Frequency: 65K Built-LY13003 transistor package sot23-6 本 chips peripheral, low cost, a high market competitiveness.