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

Miniature DIP, DC/DC, Constant Current LED Drivers

Available now from MicroPower Direct, the LDM12-xx series is a family of miniature, DC/DC LED drivers specifically designed to power/control high brightness LEDs. These units feature a constant ...
EDN

10-Port Constant-Current LED Drivers

The MAX6966/MAX6967 serial-interfaced peripherals provide microprocessors with 10 I/O ports rated to 7V. The MAX6966/MAX6967 can be configured to awake from shutdown on receipt of a minimum 3ms pulse ...
Machine Design

Circut Ideas: LED driver lights three LED strings and provides constant voltage supply

Typical uses today include backlighting for LCD TVs, projectors, computer displays, camera flashes, and vehicle brake lights. All need constant-current LED drivers that are economical and offer high ...