Search results for "leds"
ON Semiconductor Expands Portfolio of Constant Current Regulators for 1.0 watt LED Lighting Applications
ON Semiconductor has expanded its portfolio of Constant Current Regulators (CCRs) to include the NSI50350A. This simple and extremely robust device is designed to provide a thermally efficient and cost-effective alternative to passive/discrete components or driver integrated circuit (IC) solutions for current regulation of Light Emitting Diodes (LEDs). The device is ideal for a variety of 1 watt (W) lighting applications including automotive, arc...
electronica 2008 - ON Semiconductor - energy-efficient solutions for automotive, industrial and portable designs with live stand demonstrations
ON Semiconductor will be using Electronica 2008 to run a number of live demonstrations based on the company’s efficient control, signal path and power management technologies for automotive, industrial and portable applications.
National Semiconductor - LED Driver with Industry’s Best Dimming Performance
National Semiconductor introduced a new LED driver with the industry’s best phase-based dimming performance for high-brightness light-emitting diode (LED) applications. The LM3450 LED driver integrates active power factor correction (PFC) and phase dimming decoding to provide uniform, flicker-free illumination across a wide, programmable dimming range. A member of National’s PowerWise® energy-efficient product family, the LM3450 is well-sui...
National Semiconductor Claims Industry’s First High-side Dual LED Flash Driver
National Semiconductor Corp. today introduced the industry’s first high-side light-emitting diode (LED) driver that enables dual LED operation for the camera flash function in portable, battery-powered multimedia devices. The LM3554, a member of National’s PowerWise energy-efficient product family, drives one or two high-current LEDs for flash applications in handheld devices such as mobile phones, smartphones and portable scanners.
National Semiconductor - High-Brightness LED Driver with Temperature Management Control
National Semiconductor has announced a new LED driver with temperature management control and the addition of an online design environment to support it. The LM3424, a member of National’s PowerWise energy-efficient product family, drives high-brightness LEDs in a variety of indoor, outdoor and automotive applications. Supported in National’s WEBENCH® LED Designer, its temperature management control, thermal foldback, enables lighting des...
National Semiconductor - White LED Driver with Dynamic Backlight Control Reduces Power Consumption of Portable Displays up to 55 Percent
National Semiconductor has introduced what it says is the industry’s smallest white light-emitting diode (LED) driver with dynamic display backlight control. The LM3530, a member of National’s PowerWise energy-efficient product family, drives up to 11 high-current LEDs in series, illuminating larger displays in portable media devices such as smartphones. The LM3530 is offered in a 12-bump micro SMD package measuring just 1.615 mm × 1.215 m...
Semtech Takes LED Driver Platform Offering to New Level with Its First 10-Channel Device in Ultra-Small, Low-Profile 4x4x0.6mm Package
Semtech today announced the SC442, its first 10-channel white LED driver with an integrated 3A boost power switch. The device is capable of driving up to 120 LEDs at up to 30mA per channel and is packaged in an ultra-small, low-profile 4x4x0.6mm, 28-pin MLPQ package. The high-density package, small external filter components, wide operating voltage range and high efficiency satisfy space constrained LED backlights serving LCD monitors and LCD-...
Semtech - New Platform of Tiny Charge Pumps for LED Backlighting in Handheld Devices
Semtech has announced the SC654, SC657 and SC658 LED backlight charge pump drivers for 6, 5, and 4 LEDs, respectively. Optimized for single-cell Li-ion battery applications, each part in this new platform is packaged in ultra-thin (0.6mm max.) 14-pin 2x2mm MLPQ package to provide the industry’s smallest solution in reliable and easy-to-handle plastic packaging.
Boost DC/DC Converter Powers LCD Backlight and Camera Flash WLEDs in Smart Phones
Semtech has announced the SC4505, an integrated boost (step-up) DC/DC converter for driving white LEDs in LCD backlight and camera flash applications in cell phones and PDAs.
Cree Announces Commercial Availability of the XLamp XP-G LED
Cree has announced the commercial availability of the XLamp XP-G LED, said to be the industry’s brightest and most efficient lighting-class LED. The XP-G LED can produce up to 367 lumens when driven at 1A, at a typical efficacy of 111 lumens per watt; making it 46 percent brighter and 64 percent more efficient than the highest-performance XR-E LED, with an 80 percent smaller footprint.