Boost Controller Eliminates Heatsink
Jul 5, 2007
Linear Technology’s LTC3814-5 is a synchronous stepup switching regulator controller that eliminates the RSENSE resistor, the boost diode and the heatsink. ...
LED Drivers Build Better LCD Backlights
Jun 27, 2007
Maxim Integrated Products and National Semiconductor have developed LED driver families to address the key drawbacks in conventional white-LED backlighting for small LCD viewscreens. ...
Synchronous Buck Achieves High Efficiency
Jun 27, 2007
Linear Technology’s LTC3568 is a high-efficiency, 4-MHz, synchronous buck regulator that delivers up to 1.8 A of continuous output current with up to 96% efficiency. ...
DSCs Reorient Low-Cost Motor Control
Jun 20, 2007
Microchip Technology is presenting designers with a multi-faceted portfolio of hardware, firmware and evaluation tools to bring field-oriented control to permanent-magnet synchronous motors in low-cost applications. ...
Flashlight LED Driver Uses Chip-Scale Package
Jun 20, 2007
Texas Instruments TPS61050 IC is based on a high-frequency synchronous-boost topology with constant current sink to drive single, high-brightness white light emitting diodes. ...
Hybrid Solar Lighting System Wins Technology Award
Jun 20, 2007
An Oak Ridge National Laboratory sunlight collector technology has earned an Excellence in Technology Transfer Award from the Federal Laboratory Consortium for Technology Transfer. ...
Dual-Output Bucks Enable Flexible Power Sequencing
Jun 13, 2007
Semtech’s SC416 is a dual-output, synchronous stepdown controller with comprehensive features to track startup and shutdown voltages in portable applications. ...
Ultrasound Pulser Suits Medical Imaging
Jun 13, 2007
Supertex’s HV758 is a fully integrated, high-voltage, high-speed, four-channel ultrasound pulser IC ideal for stationary medical ultrasound imaging systems. ...
PoE Offerings Address High-Power and Wireless Applications
Jun 6, 2007
At the Interop 2007 exhibition recently held in Las Vegas, several semiconductor vendors unveiled components and systems to address the demand for high-power PoE equipment. ...
Boost Regulator Drives Passive-Matrix OLEDs
Jun 6, 2007
Intersil’s ISL97701 combines high-current and an integrated Schottky diode and fault protection within a boost regulator for passive-matrix OLEDs....
Chipset Powers Latest Processors
Jun 6, 2007
International Rectifier’s Xphase family has been expanded to include the IR3500 Control IC and IR3505 Phase IC. ...
Circuit Topology Reduces CFL Turn-On Delay
Jun 6, 2007
PureSpectrum has developed a circuit technology that could improve the performance of compact fluorescent light bulbs. The company plans to integrate this technology with the industry-standard half-bridge ballast design. ...
Current Transducer Exploits Open-Loop Hall Effect
May 30, 2007
LEM S.A.’s HMS model current-transducer uses an ASIC designed for use with open-loop Hall-effect technology to provide performance improvements. ...
