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Power Supply ICs and Controllers
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Step-up controller needs no sense resistor
Linear Technology has introduced the LTC3872, a current mode step-up DC/DC controller with 550kHz operating frequency. Brochure available
News from Linear Technology Corp (27 November 2006)
PWM controllers take more discretes onboard
Single-output PWM controllers allow a lower BOM cost by integrating the boot diode, the overcurrent protection, and the MOSFET drivers onto a single chip.
News from Intersil (27 November 2006)
LED driver covers backlights and flashes
High-efficiency charge pump integrated circuit offers a simple, low-cost white LED driver solution for driving four display backlight and two flash/torch video-mode white LEDs.
News from Allegro MicroSystems Europe (24 November 2006)
SMBus battery charger delivers up to 4A
A fast, precision smart battery charger controller operates with or without a host microcontroller. Brochure available
News from Linear Technology Corp (23 November 2006)
Serial-controlled IC powers all handset display
The AAT2830/31 is a highly integrated total display solution for handsets and other portable systems operating off a single-cell Li-ion battery.
News from Advanced Analogic Technologies (20 November 2006)
Dual-input charger chip is well protected
The ISL9214 is an ideal charger for smart handheld devices that need to communicate with a personal computer via a USB.
News from Intersil (20 November 2006)
Green LDOs adopt ultrasmall packages
Available in the new ultrasmall USP-4D package, as well as in standard SOT-25 and SSOT-24 versions, is the latest XC6217 series high speed LDO voltage regulators from Torex.
News from Torex Semiconductor (17 November 2006)
Dual-output regulator IC delivers 6A
High-efficiency device integrates protection for two synchronous buck regulator channels in a thin QFN package, making it ideal for powering today's small form factor applications.
News from Intersil (17 November 2006)
Power modules shrink motion control
Three new Motion-SPM devices come in 29 x 12mm SMD packages.
News from Fairchild Semiconductor (17 November 2006)
Automotive power devices take Flash onboard
AMI Semiconductor can now offer automotive grade embedded Flash technology for its 0.35um Smart Power high-voltage mixed-signal SoC process technology.
News from AMI Semiconductor (17 November 2006)
DC/DC regulators offer three-way flexibility
ON Semiconductor has introduced two new multi-topology DC/DC regulators that offer the design flexibility of buck, boost or voltage inverting configuration.
News from ON Semiconductor (17 November 2006)
LED driver preserves handset flash power
White LED driver for camera-phone flash uses new portable power management technique to maintain picture quality even when the battery is taxed by multiple phone functions.
News from Analog Devices (17 November 2006)
LDOs claim excellent transient performance
Low-dropout voltage regulators handle both digital and analogue loads in battery-powered systems.
News from National Semiconductor (17 November 2006)
Charger and two convertors come together
Highly integrated device saves PCB space by combining a 1A battery charger with two 600mA step-down convertors in a small 4 x 4mm QFN package.
News from Advanced Analogic Technologies (17 November 2006)
Platform is optimised for pump control design
International Rectifier has introduced a sensorless sinusoidal motor control platform that delivers quieter operation and higher efficiency for variable-speed pump applications up to 300W.
News from International Rectifier (16 November 2006)
Power manager gets more from battery sources
Flexible power management unit with integrated buck-boost convertor enables longer run times than traditional buck convertors.
News from National Semiconductor (15 November 2006)
Charger and buck convertor come together
Multifunction power IC combines a stand-alone linear battery charger and a highly-efficient synchronous buck convertor. Brochure available
News from Linear Technology Corp (14 November 2006)
Network is devoted to LED lighting advances
Zetex Semiconductors has become a certified partner of Osram's "LED light for you" network.
News from Zetex (14 November 2006)
Switch mode controller is ideal for GPU cores
Dual step-down, interleaved fixed-frequency, switch-mode power-supply controller features synchronous rectification.
News from Maxim Integrated Products (14 November 2006)
Power controllers are made for notebooks
Power supply controllers with digitally controlled output and fast transient performance are designed for processors and graphics chips used in notebook computers.
News from Semtech (13 November 2006)
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