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 ...
EDN

Overcome the challenges of driving parallel LED strings

LEDs are finding their way into more products than ever before. Automotive lighting, TV backlights and tablets are just a few applications that require multiple LEDs. Driving a large number of LEDs ...
Electronic Design

Triple-Output LED Driver Works With Common-Anode LED Strings

SOME MULTI-STRING LED MODULES come with a common-anode configuration. The commonanode connection reduces the number of wires between the LED module and its driver from 2N to N+1, where N is the number ...
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 ...