This is a reference design for an LED display-backlight driver. The design uses a boost power supply with adaptive feedback for efficiency and linear current sinks for a high dimming ratio (2000:1).

This is a design example report of a 25 W, high efficiency, high power factor, non-isolated buck-boost T10 tube LED driver employing LYTSwitch™-4 LYT4225E intended to drive a 144 V LED string at 180 ...

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 ...

Several driver options are at the fingertips of designers with the FAN56XX family of LED drivers from Fairchild Semiconductor. For instance, driver-only parallel connection drivers with no boost ...

MILPITAS, Calif., March 05, 2019 (GLOBE NEWSWIRE) -- AMS, Analog Mixed-Signal division of ISSI, announces the IS32LT3957 to complement their recent introduction of the IS32LT395x family of switching ...

SUNNYVALE, Calif., Aug. 26, 2010 (GLOBE NEWSWIRE) -- Alpha and Omega Semiconductor Limited (AOS ) (Nasdaq:AOSL) announced the release of AOZ1960, a high-efficiency multi-string DC-DC boost white LED ...

AL8871Q is an LED driver qualified to AEC-Q100 Grade 1 and supporting the automotive PPAP (production part approval process). Its buck-boost topology allows it to operate from supplies across 8 – 60V ...

This engineering report describes a low cost, dimmable buck-boost LED driver designed to drive a 54 V LED voltage string at 130 mA output current from an input voltage range of 100 VAC to 132 VAC. The ...

CAMARILLO, Calif.--(BUSINESS WIRE)--Semtech Corp. (Nasdaq:SMTC), a leading supplier of analog and mixed-signal semiconductors today announced the SC446, a 3-channel high brightness LED (HB LED) driver ...

Aiming at powering LEDs in automotive applications, Taiwan Semiconductor has introduced a dc-dc controller chip that can be operated in boost, buck-boost and sepic topologies from rails between 4.5V ...

Unlike traditional lighting, LEDs require driver solutions that address the challenges of providing a constant current to a load whose output voltage can vary by ± 30% because of process and ...

As the automotive industry accelerates its transition to all-LED lighting, designers face new challenges in improving efficiency, simplifying designs and reducing system costs, while passing strict ...