Power Supply ICs and Controllers

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Dimming driver is bright answer for LEDs

Flexible HB LED driver is ideal for applications that require a wide dimming-control range, such as interior and exterior automotive lighting.

News from Maxim Integrated Products (27 September 2007)

AC/DC controller has all power levels covered

Power controllers employ novel multimode control scheme for efficient operation across the entire load range. Brochure available

News from Power Integrations (26 September 2007)

Step-down controller claims widest input range

Dual-output buck controller runs from the industry's widest input voltage range, accepting inputs from 3.3 to 25V, and producing outputs from +0.6 to +5.0V.

News from Intersil (25 September 2007)

Efficient convertor boosts power density

Synchronous buck power convertor uses a novel low-voltage technique that enables high-frequency switching with high gate drive.

News from Solid State Supplies (25 September 2007)

Fuel gauge chip claims true accuracy

Battery fuel gauge promises to predict battery charge levels with 99% accuracy.

News from Texas Instruments (April 2006-) (25 September 2007)

LED lighting to benefit from disty deal

Anglia is to distribute the Zetex product range of compact high-performance discrete and integrated devices.

News from Anglia (25 September 2007)

Controller cuts down power convertor designs

Current-mode PWM controller contains all the features necessary to design high-efficiency single-ended isolated and nonisolated flyback convertors rated up to 25W. Brochure available

News from Linear Technology Corp (24 September 2007)

LDO retains regulation longer

High-precision dual-output CMOS LDOs can deliver up to 300mA per output.

News from ON Semiconductor (21 September 2007)

Regulators consume only 0.8uA in normal operation

Ultrasmall LDOs are ideal for portable applications where space is at a premium, such as mobile phones, portable games, cameras, portable AV equipment and PDAs.

News from Torex Semiconductor (21 September 2007)

Step-down convertor handles more heat

Extended-temperature 40V micropower step-down DC/DC convertor has integrated boost and catch diodes in a 2 x 3mm DFN package. Brochure available

News from Linear Technology Corp (19 September 2007)

DC/DC convertor draws 100uA quiescent

The LT3437 H-grade DC/DC convertor is suitable for automotive and industrial applications which are subjected to high ambient temperatures. Brochure available

News from Linear Technology Corp (17 September 2007)

LDOs withstand 80V input up to 140C

Linear Technology's LT3012 and LT3013 micropower LDOs have low quiescent currents, making them suited to battery-powered applications. Brochure available

News from Linear Technology Corp (14 September 2007)

LED/CAM driver suits phone displays

Linear Technology's LTC3207 LED/CAM driver provides 12 individually configurable current sources for main, sub, RGB, auxiliary or general purpose (GPO) displays/lights/outputs. Brochure available

News from Linear Technology Corp (13 September 2007)

IC drives DC motors

The E910.71's ripple detection function enables the sensorless detection of the position of a DC motor-driven actuator by evaluating the current.

News from Elmos Semiconductor (12 September 2007)

Efficient claims for compact regulator

Synchronous buck integrated FET regulator maintains up to 95% efficiency in both full load and light load conditions.

News from Intersil (11 September 2007)

Battery manager takes care of two charging sources

Single-chip charger can deliver up to 950mA of charge current from a wall adapter supply, or up to 850mA of charge current from a USB supply. Brochure available

News from Linear Technology Corp (10 September 2007)

Motor drive IC incorporates translator circuitry

The built-in translator circuitry makes the A4983 very easy to operate, and requires only two control lines compared with eight or more for competing devices.