DX3522 Datasheet | DX Semiconductor

DESCRIPTION PIN ASSIGNMENTS The DX3522 is a highly integrated with the high SOIC-7 power factor correction controller for non-isolated KONGSON BUCK , BUCK BOOST,BOOST configuration application,it uses advanced algorithm to detect the dimmer phase angle and dim the LED output current accordingly. The DX3522 can be operated in Discontinuous Conducted Mode(DCM) and Slightly Continuous Conducted Mode(SCCM) to get ease EMI designing and good dimmer patibility. The DX3522 build-in high voltage MOSFET and few of external ponents,DX3522 is suitable for pact and cost-effective dimmable system design. The DX3522 build-in multiple protections: OCP,UVLO, high temperature foldback, Output Short-circuit Protection and selectable output open circuit protection etc. APPLICATIONS - 120VAC,230VAC TRIAC dimmable LED lighting - Residential and mercial lighting - Retrofit A19,GU10 and filament bulb TYPICAL APPLICATION 2016-09 Rev.03 Copyright©2014 DX Semiconductor . All rights reserved. TRIAC dimmable,Non-isolated Offline LED Controller FEATURES - Design for Buck/Buck Boost/Boost topology - Protections - Controller bases on 4pins configuration - Cycle-by-Cycle Current Limit KONGSON - patiblewith120VAC/230VAC phase-cut dimmers - Lowest start up current(<15u A) - High Power Factor Correction(PF>0.9) - Accurate current control - Available in SOIC-7/DIP-7 package FUNCTION DIAGRAM - Over Current Protection - Selectable output over voltage protection - Output short circuit protection - High Temperature foldback 2016-09 Rev.03 Copyright©2014 DX Semiconductor . All rights reserved. TRIAC dimmable,Non-isolated Offline LED Controller PIN FUNCTIONS Pin# Name Description Power supply. VDD supplies power for the controller.Connect VCC to...