RediSem Ltd. Science Park Shatin Hong Kong Tel. +852 2607 4141 Fax. +852 2607 4140 Careers | Contact © Copyright 2017-2021 RediSem Ltd.
RED2521 is an advanced LED controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC, intended for single stage PFC LED drivers without flicker and CC LED drivers up to 100W.
Advanced LED Controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC Improved CC regulation for zero flicker PSR - +/-5% Primary Side Regulation of LED current and voltage with no flicker 50% duty cycle, variable frequency control of resonant half-bridge Automatic dead-time control and capacitive mode protection Protection modes: a. Overload b. No-Load c. Internal Over-temperature d. External Over-temperature (NTC) Low output capacitance allows live LED connection Very low output current ripple < 2% Small SO8 IC package
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Code RED2521AD-TR13 Package SO8 Tape & Reel
•	50W 1200mA LED driver (2159kB) •	50W 1200mA LED driver (2159kB) Reference Design  Check Application Notes Check Application Notes Order Order LED Controller for LLC Converters RED2521
•	RED2521  (463kB)   •	RED2521  (463kB)   •	60W 1500mA LED driver  (2170kB) •	60W 1500mA LED driver  (2170kB)       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.
LED Controller for LLC Converters RED2521
RED2521 is an advanced LED controller IC for high efficiency low- cost LLC converters with bipolar transistors and integrated PFC, intended for single stage PFC LED drivers without flicker and CC LED drivers up to 100W.
Advanced LED Controller IC for high efficiency low-cost LLC converters with bipolar transistors and integrated PFC Improved CC regulation for zero flicker PSR - +/-5% Primary Side Regulation of LED current and voltage with no flicker 50% duty cycle, variable frequency control of resonant half-bridge Automatic dead-time control and capacitive mode protection Protection modes: a. Overload b. No-Load c. Internal Over-temperature d. External Over-temperature (NTC) Low output capacitance allows live LED connection Very low output current ripple < 2% Small SO8 IC package
Key Features
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