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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Power management devices cut consumption
LDO provides power consumption of 50-100nA in standby mode and 3-12uA in no-load mode - an 80-90% reduction in power consumption compared with the industry standard.
News from Oki Electric, Dec 11, 2007
Controller is simple hot-swap answer
High voltage ideal diode-OR controller offers a simple low-loss replacement to the Schottky ORing diodes in multiple, N+1 redundant, power supply applications and high availability systems.
News from Linear Technology Corp, Dec 10, 2007
Drivers boost contrast on the big screen
High-brightness LED drivers fit the latest trend in LCD backlighting, which is to synchronise the LCD backlight with the TV picture.
News from austriamicrosystems, Dec 10, 2007
Motion detector IC turns the lights on
Fully integrated motion detector for PIR sensors incorporates brightness control for lighting circuits.
News from Elmos Semiconductor, Dec 10, 2007
Allegro products are backed by low-price guarantee
Jameco Electronics has expanded its offering of analogue display, motion control, power drivers and Hall-effect ICs from Allegro MicroSystems.
News from Jameco Electronics, Dec 7, 2007
Small claims for 500mA LDOs
Compact low-noise low-dropout regulators are ideal for sensitive and space-constrained applications.
News from Maxim Integrated Products, Dec 5, 2007
Novel LDO design keeps its cool
Current reference allows sharing between multiple regulators with a small length of PC trace as ballast, enabling multi-amp linear regulation in all surface-mount systems without heatsinks.
News from Linear Technology Corp, Dec 3, 2007
Multiple-output power chips save board space
Triple- and dual-output regulators provide a single, high-efficiency power solution for a variety of point-of-load applications.
News from Intersil, Dec 3, 2007
Charger and LDOs combine for power in the hand
Multifunction power management device combines a stand-alone Li-ion/polymer battery charger with two high-efficiency synchronous buck regulators.
News from Linear Technology Corp, Nov 30, 2007
PoL regulators enable cut and paste power design
Wide-input single-output synchronous buck voltage regulators target high-density high-performance data centre and consumer applications.
News from International Rectifier, Nov 30, 2007
Voice-coil motor driver zooms in to handsets
Voice-coil motor driver IC has a built-in I2C serial interface for precise high-speed digital programming.
News from Allegro MicroSystems Europe, Nov 29, 2007
Multichannel regulator adds design flexibility
Adjustable three-channel regulator for mobile devices combines a step-down convertor with two low dropout linear regulators.
News from Advanced Analogic Technologies, Nov 29, 2007
Inverter controllers shed light on LCD TVs
Controller ICs address the trend toward growing display sizes and the increased use of high-supply-voltage backlight inverter solutions in LCD-TV applications.
News from NXP Semiconductors, Nov 29, 2007
Intelligent power switch cuts its losses
Quad high-side intelligent power switch achieves a 50% saving in on-resistance compared with earlier devices with the same die size.
News from STMicroelectronics, Nov 29, 2007
LED driver powers green lighting
Boost driver device reduces component count by handling both charging and driving in solar-powered LED lighting applications.
News from Prema Semiconductor, Nov 26, 2007
LDOs are optimised for noise performance
With the choice of 150 or 300mA output current, the ultra-low-noise LDO family delivers sufficient power for a wide range of applications.
News from austriamicrosystems, Nov 26, 2007
PSU controller targets automotive displays
Automotive-grade quasiresonant discontinuous flyback convertor control IC provides all the necessary control functions for driving a vacuum fluorescent display.
News from Allegro MicroSystems Europe, Nov 19, 2007
Five in one for complete power management
Three 2MHz step-down DC/DC convertors and two low-quiescent-current linear regulators combine to produce five regulated output voltages.
News from Maxim Integrated Products, Nov 16, 2007
Buck regulator boosts efficiency up to 95%
High-efficiency synchronous buck regulator delivers up to 12A of continuous output current at voltages as low as 0.6V.
News from Linear Technology Corp, Nov 16, 2007
Convertor can power bigger loads
Synchronous step-up convertor delivers more load current than competing products in the same footprint and supporting lower startup and operating voltages
News from Advanced Analogic Technologies, Nov 15, 2007
Low-cost option for driving multiple-LED arrays
Constant-current LED driver allows closely matched drive currents within +/-1% for up to 16 LEDs using only one programming resistor.
News from Toshiba Electronics Europe, Nov 15, 2007
Regulator powers low voltage DSPs and MCUs
High-efficiency synchronous buck regulator runs from Li-ion/polymer battery inputs as well as 3.3 or 5V inputs for point-of-load applications.
News from Linear Technology Corp, Nov 13, 2007
Analog acquisition to expand power portfolio
ON Semiconductor is to acquire voltage regulation and thermal monitoring products for computing applications from Analog Devices.
News from ON Semiconductor, Nov 12, 2007
Regulator protects against spikes and hot swapping
Overvoltage protection regulator incorporates overcurrent protection and inrush current limiting to improve power supply reliability in high-availability systems.
News from Linear Technology Corp, Nov 7, 2007
PoE controller combines two functions
The Si3460 dramatically simplifies development efforts, reduces system costs and eliminates specification compliance challenges for designers
News from Silicon Laboratories, Nov 6, 2007
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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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Linear Technology has introduced the LTC3388, an ultra-low quiescent current synchronous buck converter for applications such as energy harvesting and industrial control power.
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