HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER
DESCRIPTION
UTC ULD0611 is a high power factor linear constant current
LED driver which is applied to LED lighting. Through the distinctive
constant current control technology, it realizes that constant current
accuracy is less than ±5% and output current is adjustable through
external resistor. High power factor and low harmonic distortion are
the particular features.
The system is simple without transformer and electrolysis
capacitor. Therefore, LED lighting batch job can be realized.
FEATURES
* No transformer and high voltage electrolysis capacitor
* Integrated high voltage startup power supply circuit
* Adjustable output current, max 60mA
* Inter-chip current deviation < ±5%
* Efficiency: >90%
* Power factor: >0.95
* THD<20%
* Over temperature protection
* Application system no EMI problems |