RT8476 / RT8479 Two-Stage MR16/AR111 LED Driver

RT8476 / RT8479
Two-Stage MR16/AR111 LED Driver Solutions
with Excellent Transformer Compatibility
with
Excellent Compatibility
Key Specifications




Two-stage Topology (Boost + Buck)
99% compatibility with Electronic transformers
Flicker Free operation
Low inrush current operation for high reliability




Wide input range: 4.5V to 36V
High Power Factor (RT8479)
Programmable Boost Output voltage
Programmable LED current with 5% accuracy
High power MR-16 application with RT8476
Flicker-free operation:
Smart RT8476/69 LED drivers
control input current of LED
lamp to keep electronic
transformers working correctly
Medium power high integration MR16 solution with RT8479
20mm
22mm
Power factor at ET input: 0.98
Well controlled ET output peak current 1.4A
For more information, please read Minimizing Light Flicker in LED Lighting Applications
MR16 LED Driver Product Family
Product
Description
LED power
(Pout)
Power
RT8476
Two - stage hysteretic
LED driver controller
Up to 11W
0.7
RT8479
Two - stage hysteretic LED driver
with built-in low Rdson MOSFETs
Up to 8W
0.9
Factor
Built-in MOSFET
Package
SOP-8,
PSOP-8
√
PSOP-8