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).

The LED backlight in an LCD panel is the biggest power hog in notebook and tablet applications. As screen resolution and brightness level increase, the input power consumed by the LED backlight ...

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 ...

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 ...

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 ...

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 ...

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 ...

Date Announced: 07 Feb 2012 Sunnyvale, CA – Supertex, Inc. (Nasdaq GS: SUPX) today introduced HV9989, a three channel, boost LED driver integrated circuit (IC) designed to drive LEDs in LCD ...

Date Announced: 26 Mar 2012 Linear Technology has announced the LT3791, a synchronous buck-boost DC/DC LED driver and voltage controller, which can deliver over 100W of LED power. Its 4.7V to 60V ...

Automotive incandescent bulbs have largely given way to more efficient, reliable, stylish, and even safer light emitting diodes (LEDs). LEDs turn on in a fraction of the time and are especially useful ...