Power Supply ICs and Controllers

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Chipset cuts power drain in mid-range convertors

A new DirectFET chipset is an excellent choice for designers seeking very compact and efficient switching in mid-range, 15-18A power convertor applications.

News from International Rectifier (10 August 2006)

IC brings measurement to simpler battery formats

Dallas Semiconductor's DS2790 is a real first: an affordable device for incorporating fuel-gauging and protection in single cell battery devices.

News from Maxim Integrated Products (10 August 2006)

PWM convertors create high-density systems

Monolithic pulsewidth modulation convertors offer industry-leading power density due to their high level of integration, high-frequency operation and ultrasmall packaging.

News from National Semiconductor (10 August 2006)

MOSFET predrivers meet automotive demands

A range of automotive-grade MOSFET predriver ICs is designed for for in-vehicle motor control applications.

News from Allegro MicroSystems Europe ( 9 August 2006)

Step-down regulator is fixed on 3.3V

A high-efficiency, switch-mode, step-down regulator comes with a 14V internal power switch.

News from Maxim Integrated Products ( 9 August 2006)

Charger and regulator come together for handhelds

Power management IC combines a stand-alone Li-ion/Li-polymer battery charger and a high efficiency dual synchronous buck regulator in a low-profile DFN package. Brochure available

News from Linear Technology Corp ( 9 August 2006)

Computing and communications deliver for IR

International Rectifier has reported adjusted earnings of $33.8 million (or $0.47 per share) for the June quarter on revenue of $322.7 million.

News from International Rectifier ( 8 August 2006)

Small outline for buck-boost charge pumps

Versatile regulated buck-boost charge pumps are housed in 2 x 2mm DFN packages. Brochure available

News from Linear Technology Corp ( 7 August 2006)

Quad channel pin driver claims speed record

Off-the-shelf quad-pin electronics driver has the performance and differential signal capability required for testing next-generation high-speed memory devices such as DDR III.

News from Semtech ( 4 August 2006)

Controller emulates current mode

Pulsewidth modulation buck controller employs a novel emulated-current-mode architecture for output voltages with extremely low duty cycles at frequencies up to 1.5MHz.

News from National Semiconductor ( 3 August 2006)

Chipsets create synchronous buck convertors

The first series of POWIR+ chipsets brings together the IR3637SPbF and IR3637ASPbF application-tuned PWM control ICs and their companion HEXFET MOSFETs for single-phase synchronous buck applications.

News from Silica ( 2 August 2006)

Resonant controller helps save energy

The new L6599 is an advanced controller specifically designed for the series-resonant half-bridge topology.

News from Silica ( 2 August 2006)

Convertor chip is flexible about battery inputs

Power chip suits products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-ion or Li-polymer battery.

News from Silica ( 2 August 2006)

MPS Releases 24V, 1.4MHz step-down regulator

Monolithic Power Systems (MPS) has announced the immediate availability of the MP2359, a 1A non-synchronous step-down regulator with a wide 4.5V - 24V input voltage range.

News from Monolithic Power Systems (MPS) (31 July 2006)

Dual input Li-Ion battery charger

Dual input Li-Ion battery charger with adjustable output 600mA synchronous buck convertor Brochure available

News from Linear Technology Corp (31 July 2006)

ON Semiconductor reports 2nd quarter 2006 results

ON Semiconductor has announced that total revenues in the second quarter of 2006 were $375.3 million, an increase of approximately 12 percent from the first quarter of 2006.

News from ON Semiconductor (31 July 2006)

Lower conduction losses for higher efficiency

New synchronous rectification power MOSFETs enable lower conduction losses for higher efficiency and greater power density I

News from International Rectifier (28 July 2006)

Buck convertor integrates low noise LDO

The new NCP1526 DC/DC buck convertor with integrated low noise LDO is a single-device solution that supports multimedia functions

News from ON Semiconductor (27 July 2006)

Single-wire, digital brightness control

Technical background article The former de facto standard PWM technique to control series-connected LEDs has been surpassed by AnalogicTech's AAT1231.