Power-supply ICs and controllers
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Power-supply ICs and controllers
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Boost convertor is efficient down to 1.8V input
A new compact and highly integrated 1.5A synchronous step-up convertor operates with an input voltage as low as 1.8V while maintaining an overall operating efficiency greater than 90%.
News from Monolithic Power Systems (MPS), Feb 10, 2006
Software speeds switch-mode PSU design
STR-CAD Design Aid software helps users to develop cost-effective switch-mode power-supply designs using the Sanken Electric STR series of switching-regulator integrated circuits.
News from Allegro MicroSystems Europe, Feb 9, 2006
Buck regulator keeps quiet for comms duties
The LTC3412A is a high-efficiency 4MHz synchronous buck regulator based on a constant-frequency current-mode architecture.
News from Linear Technology Corp, Feb 8, 2006
Boost convertors are alternative to charge pumps
A new family of current-mode adjustable-frequency step-up convertors with internal 2A/40V switches can be adapted in a variety of topologies such as boost, sepic and flyback.
News from Semtech, Feb 6, 2006
Q4 brings ON Semiconductor back to profit
ON Semiconductor has announced that total revenues in the fourth quarter of 2005 were $341.8 million, an increase of approximately 9% from the third quarter of 2005.
News from ON Semiconductor, Feb 6, 2006
Lithium cell charger chip keeps its cool
A tiny fully integrated stand-alone linear battery charger replenishes single coin cell Li-ion batteries up to 250mA without overheating the device or surrounding components.
News from Linear Technology Corp, Feb 3, 2006
Convertors are fast to get power to baseband chips
Two new DC/DC convertor ICs are optimised for extremely fast transient response in portable systems powered by single-cell lithium-ion/polymer batteries.
News from Advanced Analogic Technologies, Feb 2, 2006
PWM ICs add loadline and overcurrent protection
Intersil's ISL6306/07 family addresses all VR11 CPU power requirements in desktop, server and embedded systems.
News from Intersil, Feb 1, 2006
MOSFETs boost power supply density
New high efficiency power MOSFETs enable a parts count reduction of 30% or more in secondary synchronous rectification, full-bridge topology power supplies compared with competing devices.
News from International Rectifier, Jan 30, 2006
Sequencing controller finds its own feedback
A new power supply tracking and sequencing controller can be used with modules or power supplies with or without access to feedback pins.
News from Linear Technology Corp, Jan 30, 2006
Controller takes time out for appliance safety
Integrated Electronic Solutions is expanding its range of temperature control integrated circuits for thermostat applications with the introduction of IES5521A.
News from Integrated Electronic Solutions, Jan 26, 2006
Engineering centre network expands east and west
ON Semiconductor has opened two new solutions engineering centres (SECs) - one in Portland, Oregon, and the second in Taipei, Taiwan.
News from ON Semiconductor, Jan 25, 2006
Power controller isn't fussy about MOSFET choice
The LTC3736-2 is a two-phase dual synchronous step-down switching regulator controller with output tracking that drives a wide range of external power MOSFETs.
News from Linear Technology Corp, Jan 25, 2006
Convertor chip powers up new-generation backlights
A compact DC/DC convertor IC powers multisegment white LEDs used to backlight new, larger colour LCD panels in small portable devices such as cellphones and PDAs.
News from Toshiba Electronics Europe, Jan 24, 2006
Motor driver IC takes Hall sensor onboard
The A1441 is a full-bridge motor driver integrated circuit designed to drive single-phase, low-voltage bipolar brushless DC motors.
News from Allegro MicroSystems Europe, Jan 20, 2006
2006 holds great promise for Fairchild
Fairchild Semiconductor has reported results for the fourth quarter and full year ended 25th December 2005.
News from Fairchild Semiconductor, Jan 20, 2006
Sales and profits continue upwards for Linear
Linear Technology reports net sales for its second quarter of $265,146,000 - an increase of 6% over net sales of $250,121,000 for the second quarter of the previous year.
News from Linear Technology Corp, Jan 19, 2006
Charger chip cuts portable power system costs
The SC804 is a linear single-cell lithium-ion battery charger with battery pack and adapter flexibility features to support lower design costs for portable devices.
News from Semtech, Jan 18, 2006
Industrial-grade regulator has very low dropout
The new LT3020I is a 100mA VLDO with input voltage capability down to 0.9V and a very low dropout voltage of only 150mV at full load.
News from Linear Technology Corp, Jan 18, 2006
Voltage regulators set for space missions
A new line of radiation-hardened 3A ULDO voltage regulators suits high-reliability applications where radiation survivability and power consumption are critical parameters.
News from International Rectifier, Jan 17, 2006
Current monitor claims to measurement accuracy
With its wide common mode sense range from 0 to within 2V of the supply voltage applied, the ZXCT1051 current monitor enables true short circuit current monitoring.
News from Zetex, Jan 17, 2006
Power chip offers alternative source for PoE
A new single-chip power device is specifically designed for power over Ethernet (PoE) devices that operate from alternative power sources or the PoE-enabled network.
News from National Semiconductor, Jan 17, 2006
Power management design courses tour Europe
National Semiconductor is holding a new tour of advanced technical courses on power management design, starting on 23rd February 2006.
News from National Semiconductor, Jan 16, 2006
IC promises cost effective power and speed control
A new phase control IC replaces the now obsolete TCA280B that has been used since the 1970s and is compatible with new-generation triacs featuring negative triac gate triggering.
News from Integrated Electronic Solutions, Jan 13, 2006
White LED driver and boost convertor come together
The LT3466-1 dual step-up DC/DC convertor combines a white LED driver and a boost convertor in a low profile 3 x 3mm DFN package.
News from Linear Technology Corp, Jan 12, 2006
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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.
Featured articles
- Ultra-compact LEDs for space-critical applications
Excelsys Technologies has introduced the LDV series of ultra-compact LED drivers for applications including in-store food display, mood lighting, advertising displays and architectural lighting. - Converter suits low quiescent power applications
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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