EDN

Constant-current wall warts streamline LED driver design for lamps, cabinet lights

Consider the lowly wall wart power adapter. It finds use in millions of electronics devices as a cost- and power-efficient ac-dc voltage-regulated power supply. In effect, designers of electronics ...
EDN

High Efficiency Constant Current Buck Converter for LED Lighting

This is a design idea of high efficiency constant current buck converter for LED lighting using LinkSwitch-TN. It operates in an input voltage ranging from 108 VAC to132 VAC and delivers an output of ...
Electronic Design

Enhanced VLED Driver Updates JFET Constant-Current Source

Download this article in PDF format. High-brightness visible-light LEDs (VLEDs) require a constant-current source. This simple, RFI-free circuit takes advantage of the normally-on properties of the ...
Electronic Design

LED Driver’s Constant-Current Control Spawns Accuracy

The HV9961, an average-mode, constant-control LED driver IC designed to drive LEDs using a buck topology, is well-suited for a variety of solid-state lighting applications. The HV9961 provides current ...