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 ...
EDN

Driving LEDs with Constant Current Source

The LED driver automatically adjusts the output voltage to keep the output current constant and therefore the light output constant. This works with a single LED or with a chain of string of LEDs ...
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

Bench Power Supply Constant Current EZ-SET

Here is a nice hack you may find very useful if you have a cheaper bench power supply that supports constant current limit protection (CC mode) and the only way to set or check your max current limit ...
Electronic Design

Regulator IC Maintains Constant Output Voltage Despite Momentary Input Voltage Dropout

An IC with a buck regulator, boost regulator, and a linear charger combine to seamlessly maintain a constant VOUT even if VIN drops out for a short time. The IC can aid solid state drives that ...
Hackaday

constant current source

At first glance, [RobBest]’s constant current source looks old school. The box is somewhat old-fashioned, featuring switches and binding posts. Most importantly, there’s a large analog meter ...