HIGH POWER FACTOR & ACCURACY CONSTANT  CURRENT LED DRIVER  

DESCRIPTION

The UTC UPSL304 is a low startup current, Transition Mode,

fixed on-time PFC control and PWM controller. These functions

enable the LED driver to easily meet the accuracy average LED

current and high power factor requirements.  

The UTC UPSL304 improves the performance and reduces the

cost of the LED driver.  

FEATURES

* Transition Mode Fixed On-Time PFC Control

* Accuracy Constant Current

* Low BOM Cost

* Inductor Size Reduction

* Frequency Range Adjusted by The CT Pin

* LED Protection: SCP, OLP, OVP

* SOT-26 Package

* Compatible Inductance Ballast

* Incompatible Electronic Ballast