RediSem Ltd. Science Park Shatin Hong Kong Tel. +852 2607 4141 Fax. +852 2607 4140 Careers | Contact © Copyright 2017-2020 RediSem Ltd.
RED2821 is an advanced resonant controller IC for high efficiency LED drivers, intended for two stage linearly dimmable LED drivers without flicker, universal mains input LED drivers and CC LED drivers up to 200W.
Advanced Resonant Controller IC for high efficiency LED drivers DIM input for linear dimming down to 10% load Optimized for 2-stage PFC and resonant LED drivers. RED2821 works with any APFC controller IC. +/-5% Primary Side Regulation of LED current and voltage with no Flicker 50% duty cycle, variable frequency control of resonant half-bridge Protection modes: a. Short-circuit b. No-Load c. Internal Over-temperature No flicker - zero output current ripple
Datasheet  
Key Features
Order Details
Code RED2821AD-TR13 Package SO8 Tape & Reel
•	42W 1A PPFC DIM LED driver (202kB) •	42W 1A PPFC DIM LED driver (202kB) Reference Design  Check Application Notes Check Application Notes Order Order Dimming LED Controller RED2821
•	RED2821  (551kB)   •	RED2821  (551kB)   •	75W 1400mA DIM LED Driver (236kB) •	75W 1400mA DIM LED Driver (236kB)       LED Driver ICs
RediSem Ltd. Science Park Shatin Hong Kong Tel. +852 2607 4141 Fax. +852 2607 4140 Careers | Contact © Copyright 2017-2020 RediSem Ltd.
Dimming LED Controller RED2821
RED2821 is an advanced resonant controller IC for high efficiency LED drivers, intended for two stage linearly dimmable LED drivers without flicker, universal mains input LED drivers and CC LED drivers up to 200W.
Advanced Resonant Controller IC for high efficiency LED drivers DIM input for linear dimming down to 10% load Optimized for 2-stage PFC and resonant LED drivers. RED2821 works with any APFC controller IC. +/-5% Primary Side Regulation of LED current and voltage with no Flicker 50% duty cycle, variable frequency control of resonant half-bridge Protection modes: a. Short-circuit b. No-Load c. Internal Over-temperature No flicker - zero output current ripple
Key Features
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