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 ...

Different topologies used in developing LED drivers. Proper connections for buck, boost, and buck-boost configurations. Test results for the three topologies using the same LED string. 3. This LTM8042 ...

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 ...

PLANO, Texas--(BUSINESS WIRE)--Diodes Incorporated (Nasdaq: DIOD) today introduced the AL3353 LED/LCD 40V max input boost controller, applicable across a wide range of applications where a constant ...

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 ...

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 ...

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 ...

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 ...