Power-supply ICs and controllers
(a sub category of Active components)
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Latest articles from 'Power-supply ICs and controllers'
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Showing 451-475 of 2483 articles
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Step-up convertors raise voltages efficiently
The XC9128/29 series from Torex deliver efficiencies up to 93% over the entire load range, and can supply 500mA to a 3.3V load from a 1.8V battery supply.
News from Torex Semiconductor, Apr 30, 2008
Three-channel regulator shrinks handset supplies
The LTC3545 operates from an input voltage range of 2.25 to 5.5V, and can generate output voltages as low as 0.6V.
News from Linear Technology Corp, Apr 28, 2008
Tiny buck regulators lead efficiency stakes
Regulators integrate MOSFET switches to reduce system component count, and a high switching frequency enables use of ultrasmall inductors and capacitors for very small solution size.
News from National Semiconductor, Apr 25, 2008
Power modules cut motor drives down to size
Modules integrate two HVICs, one LVIC, four NPT IGBTs, four fast recovery diodes, two bootstrap diodes, a thermistor and various protection functions in a single package.
News from Fairchild Semiconductor, Apr 25, 2008
SoI components handle hot control duties
APEI reckons it can overcome many high-temperature electronics challenges by combining high power SiC devices with Cissoid's SoI control components.
News from Cissoid, Apr 23, 2008
Four-output power chip saves space
Quad-output integrated MOSFET device is designed to reduce the complexity and streamline the development of power supplies.
News from Freescale Semiconductor, Apr 22, 2008
LED driver handles automotive conditions
The ISL78100 can use a DC bias current or an external PWM signal for more accurate control of the LED colour temperature.
News from Intersil, Apr 21, 2008
One chip replaces two in white LED drive
Device is claimed to be 12% more efficient than competing solutions, making it ideal for use in handheld devices in which space and battery life are precious.
News from Maxim Integrated Products, Apr 18, 2008
Step-down convertor boosts density and efficiency
Convertor extends battery life by running at efficiency levels as high as 95% and can achieve 90% efficiency at its full rated 2A load.
News from Advanced Analogic Technologies, Apr 18, 2008
LED driver powers up colour displays
Enhanced spectrum pulsewidth modulation improves image quality and reduces flicker noise in monochrome, multicolour and full-colour LED displays.
News from Texas Instruments (April 2006-), Apr 17, 2008
Switching regulator cuts interference
The A4490 uses multiphase switching to reduce electromagnetic interference and minimise stress on the input capacitors by interleaving the turn-on cycle of the regulators.
News from Allegro MicroSystems Europe, Apr 16, 2008
Monitors guarantee power system accuracy
Devices incorporate four precision comparators with 0.6V references to monitor separate voltage rails.
News from Analog Devices, Apr 16, 2008
LDOs suit sensitive supplies
Low-dropout CMOS regulators feature high ripple rejection ratio, low quiescent current, and very low output noise voltage.
News from Toshiba Electronics Europe, Apr 16, 2008
Power chip performs dynamic voltage scaling
Buck convertor consumes very low quiescent current and yet delivers ultrafast transient response.
News from Fairchild Semiconductor, Apr 14, 2008
Synchronous buck regulator extends battery life
The ISL8009A's highly efficient power conversion under light load conditions extends battery life in portable and handheld applications.
News from Intersil, Apr 11, 2008
IC manages portable USB power
Power management device combines an autonomous high efficiency power manager, ideal diode controller and battery charger in an ultrathin QFN package.
News from Linear Technology Corp, Apr 9, 2008
LED driver produces regulated current output
The TPS40211 allows designers to efficiently manage LED lighting, industrial control and battery-powered systems.
News from Texas Instruments (April 2006-), Apr 8, 2008
Step-up convertors power LED backlights
Devices include on-chip MOSFETs to reduce part count, and operate up to 1MHz to minimise the need for filtering components.
News from STMicroelectronics, Apr 8, 2008
Battery charger chip takes protection onboard
Charger IC includes an an isolated overvoltage protection switch and features a digital thermal management system to maximise charging efficiency.
News from Advanced Analogic Technologies, Apr 8, 2008
Wide-input regulator handles automotive supplies
Small-footprint step-down switching regulator is ideal for load dump and cold-crank conditions found in automotive applications.
News from Linear Technology Corp, Apr 7, 2008
LED driver scales up to big displays
16-channel LED driver is easy to cascade for larger-scale display applications.
News from Allegro MicroSystems Europe, Apr 4, 2008
MOSFET drivers provide rugged design
High-voltage high- and low-side drivers are specified over a wide temperature range, and target low- to mid-power applications
News from ON Semiconductor, Apr 4, 2008
Power chip manages charging and load at once
Instant-on operation ensures system load power even with a dead or missing battery.
News from Linear Technology Corp, Apr 4, 2008
CCFL controller makes backlighting simple
Supporting both push-pull and half-bridge drive schemes, the DS3991 converts a low-voltage DC supply to the high-voltage AC waveform required to power CCFLs.
News from Maxim Integrated Products, Apr 3, 2008
LED driver doubles handset flashes
Device drives one or two high-current LEDs in series in handheld devices such as mobile phones, PDAs, smartphones, portable scanners and medical strobe lights.
News from National Semiconductor, Apr 3, 2008
Showing 451-475 of 2483 articles
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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.
Featured articles
- Battery charger IC accepts inputs from 4.95-32V
Linear Technology has introduced the LT3652, a solar power directed monolithic buck battery charger IC for modern battery chemistries. - Linear unveils 200mA PNP low-dropout regulator
Linear Technology has introduced a regulator that is said to be adjustable down to 0V with a single resistor and easily paralleled for higher current.
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