EDN

High Efficiency High Power Factor LED Driver

This is a design example report of a high efficiency, high power factor, 15 W LED driver employing LinkSwitch™-PH LNK417EG. This design features no electrolytic capacitor, clean monotonic start-up, ...
EDN

Analog Circuit Design, Part 5: Integrated 100V controller drives high power LED strings from just about any input

Part 2: A 60V buck-boost controller drives high power LEDs, charges batteries and regulates voltage with up to 98.5% efficiency at 100W and higher. Part 3: Offline LED lighting simplified: A high ...
Electronic Design

High-Power LED Driver Accepts Wide Input-Voltage Range

The advent of high-power LEDs that can replace incandescent bulbs has produced a need for circuits that efficiently match the LEDs to available power sources (batteries, car electrical systems, etc.).
Machine Design

Circuit Ideas: How to Parallel LED Current Drivers

Linear constantcurrent drivers, for instance, offer low EMI, low cost, and use only a few components. Many designers favor them for low-current applications where power loss is a minor concern. If ...
Business Wire

Dialog Semiconductor's Flickerless(TM) High Power Drivers for Commercial LEDs Boost Performance, Cut Size and Costs (News with Additional Features)

LONDON--(BUSINESS WIRE)--Dialog Semiconductor plc (FWB:DLG), a provider of highly integrated power management, AC/DC power conversion, solid state lighting (SSL) and Bluetooth (R) Smart technology, ...
Electronic Design

Low-EMI LED Driver Features Integrated Switches, Internal PWM Dimming

How a single LED driver can support buck, boost, and buck-boost topologies. Design details for each topology type. How such drivers work in automotive and machine-vision designs. The breadth of LED ...