EDN

Constant Current vs. Constant Voltage (LED Drivers)

LEDs for lighting are found anywhere from DIY IoT modules to commercial lighting applications and the cabins of airplanes. To run properly, these critical lighting devices require a precise balance of ...
EDN

Constant-current, constant-voltage converter drives white LEDs

LEDs usually take their drive from a constant dc-current source to maintain constant luminescence. Most dc/dc converters, however, deliver a constant voltage by ...
Electronic Design

5 A Constant-Current, Constant-Voltage Converter with Internal PWM Generator

The LT3954, a DC/DC converter designed to operate as a constant-current source and constant-voltage regulator with an internal 5A switch, is now available from Linear Technology. The LT3954, a DC/DC ...
Hackaday

A Simple Programmable Electronic Load Using The Arduino

Some projects are both educational and useful. We believe that [Jasper’s] Arduino based electronic load is one of those project. [Jasper’s] electronic load can not only act as a constant current load, ...
Electronic Design

Use "Extra" LED Driver Channel To Provide Constant-Voltage Source

LED applications are booming: backlighting for LCD TVs, projectors, and computer displays, camera flashes, and vehicle brake lights and taillights are just a few. All require constant-current LED ...
The Engineer

Offline constant-current/constant-voltage flyback switching ICs

Mouser Electronics is now stocking the InnoSwitch-CP switching ICs, part of the InnoSwitch family from Power Integrations. These new offline constant-current/constant ...
The Engineer

Constant current LED driver can drive two strings of up to 10 LEDs at 50mA

Linear Technology has announced the LT3909, a high efficiency, constant current LED driver that can drive two strings of up to 10 LEDs at 50mA. To ensure constant brightness, each LED string contains ...