Power-supply ICs and controllers

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Power-supply ICs and controllers

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Latest articles from 'Power-supply ICs and controllers'

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Showing 601-625 of 2729 articles

Step-down convertor shrinks to chip scale

Convertor achieves up to 89% power efficiency and only 30uA typical operating quiescent current - all from a 0.9 x 1.3mm chip-scale package roughly the size of a flake of pepper.

News from Texas Instruments (April 2006-), Aug 19, 2008

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Driver is cool choice for fan control

Single-phase brushless DC motor predriver IC can control high-current devices such as fans, blowers or pumps with supply voltages from 8 to 36V.

News from Allegro MicroSystems Europe, Aug 19, 2008

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UK deal signals globalisation of franchise

Nu Horizons already distributes Micrel products in North America, Asia and Germany, and has now added the UK to that list.

News from Nu Horizons Electronics Corp, Aug 18, 2008

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Step-down convertors boost efficiency

Family offers designers of LAN equipment operating off a low-cost 12V adapter an ideal opportunity to boost efficiency and reduce product footprint.

News from Advanced Analogic Technologies, Aug 14, 2008

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Dual-output convertors run from car batteries

Convertors integrate load-dump protection circuitry to handle transients up to 80V, and operate down to 4.5V to withstand cold-crank conditions.

News from Maxim Integrated Products, Aug 12, 2008

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Driver powers 10 LEDs for handheld backlights

Constant-current white LED driver uses novel high-side LED current sense topology that enables the LED cathode to be connected directly to ground.

News from Linear Technology Corp, Aug 11, 2008

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Charger chip handles two sources at once

Li-ion/Li-polymer charge-management controller enables simultaneous AC/DC-adapter or USB-port charging and powering of devices.

News from Microchip Technology, Aug 6, 2008

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Linear regulator is always on to save power

Low-output-voltage linear regulator is ideal for always-on automotive and industrial applications that require high reliability and low power consumption.

News from Maxim Integrated Products, Aug 5, 2008

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Multi-output power IC powers automotive tasks

Three-channel current-mode PWM step-down DC/DC convertor IC delivers up to 2.4A from its primary output and up to 1.5A from the other two plus a fourth LDO output.

News from Linear Technology Corp, Aug 4, 2008

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Two convertors in one boost efficiency

Devices combine two buck convertors with a low input voltage used to post-regulate the second buck convertor.

News from Advanced Analogic Technologies, Aug 1, 2008

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Low-noise LDOs include output options

The MAP1230 dual LDO can generate nine voltage options, covering most potential requirements and allowing customers to reduce inventory levels.

News from MagnaChip Semiconductor, Jul 28, 2008

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Power chipset meets green PC standard

NXP is the first company to create a cost-effective energy-efficient chipset for PC power supplies, which is easy to manufacture and ready to deliver to the mass market.

News from NXP Semiconductors, Jul 24, 2008

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Laser driver powers multirate transceivers

Single-supply small form-factor 4.25Gbit/s laser diode driver delivers up to 90mA modulation current and 100mA bias current for intermediate-reach and long-reach SFF, SFP and LX-4 module designs.

News from Micrel, Jul 24, 2008

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Power devices qualify for automotive duties

Monitors, regulators and references meet the requirements of AEC-Q100 Grade 1 for operation in automotive environments at temperatures up to 125C.

News from Zetex, Jul 24, 2008

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Chipset boosts POL convertor efficiency

International Rectifier has introduced a 25V synchronous buck convertor DirectFET MOSFET chipset for point-of-load (POL) convertor designs.

News from International Rectifier, Jul 22, 2008

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PoE controller takes power from other sources

13W PoE powered device controller features an onboard DC/DC convertor specifically designed to meet the needs of IEEE802.3af-compliant applications.

News from Texas Instruments (April 2006-), Jul 22, 2008

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Novel package lowers power conversion profile

The innovative eSIP package has L-shaped leads, allowing it to lie flat against the printed circuit board with the heatsink pad facing upwards.

News from Power Integrations, Jul 21, 2008

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Catalyst for change of ownership

Acquisition will add to ON Semiconductor's high gross margin analogue and mixed-signal product offerings for the digital consumer and wireless end markets.

News from ON Semiconductor, Jul 21, 2008

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High-speed drivers go high and low

MOSFET drivers handle input voltages up to 125V, compared with the 105V rating of competing products.

News from Maxim Integrated Products, Jul 18, 2008

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Integrated controller powers portable memories

Single-chip solution saves valuable board space by integrating a step-down controller, source/sink linear regulator and reference buffer.

News from Maxim Integrated Products, Jul 17, 2008

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Miniature drivers get closer to MOSFETs

Positioning a MCP141x MOSFET gate driver close to the MOSFET's physical gate connection minimises gate bounce caused by the parasitic PCB layout.

News from Microchip Technology, Jul 17, 2008

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IC prevents motor damage

The A3906 detects DC motor stall conditions and allows the control of the stall time, improving battery life and the prevention damage to the motor.

News from Allegro MicroSystems Europe, Jul 16, 2008

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Switch-mode charger cuts handheld power

3MHz switch-mode battery charge management IC for portable electronics can be charged from an adapter or a USB port.

News from Texas Instruments (April 2006-), Jul 16, 2008

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Buck and boost combine in single-chip power

Both boost and buck regulators operate from a 1.8 to 5.5V input, making them appropriate for single cell Li-ion/polymer or dual-cell alkaline/NiMH applications.

News from Linear Technology Corp, Jul 16, 2008

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ICs handle short circuits

IRS233x(D) three-phase gate driver ICs provide negative voltage spike immunity for safe operation under extreme switching conditions and short circuit events.

News from International Rectifier, Jul 14, 2008

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Power-supply ICs and controllers

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What is it?

Power-supply ICs and controllers:

Power-supply integrated circuits take unregulated input voltages and regulate them to provide a steady output voltage. Examples of power-supply ICs are linear regulators and switching regulators.

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