RS2123 Overview
RS2123 is a high performance offline PSR controller for low power AC/DC charger and adapter applications. It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated.
RS2123 Key Features
- ±5% constant voltage regulation at universal AC input
- High precision Constant Current Regulation at Universal AC input
- Primary-side Sensing and Regulation without TL431 and Opto-coupler
- Programmable CV and CC Regulation
- Built-in Primary winding inductance pensation
- Programmable Cable Drop pensation
- Built-in 700V Power BJT
- Ultra Low Start-up Current (Typ. 1uA)
- VDD Over Voltage Protection
- Built-in Feedback Loop Open Protection