Power Supply ICs and Controllers

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Dual linear regulator saves portable real estate

Semtech has announced production-level availability of the SC1452 150mA dual linear regulator

News from Semtech (27 July 2001)

Fairchild down in second quarter

Fairchild Semiconductor has reported results for its second quarter of 2001 ended 1st July 2001

News from Fairchild Semiconductor (27 July 2001)

LDO simplifies prevention of data corruption

A new low-dropout voltage regulator simplifies the implementation of circuits designed to prevent failing or fluctuating voltage supplies from causing data corruption and system malfunctions

News from Rohm Electronics (26 July 2001)

Controller aids onboard power conversion

International Rectifier has introduced the new IRU3037 synchronous buck controller IC

News from International Rectifier (25 July 2001)

Faster regulator saves on passives

Micrel has increased the operating frequency of its SuperSwitcher SO-8 buck regulator to 500kHz

News from Micrel (24 July 2001)

Thaler uses National's reference to better effect

User application article Thaler has delivered the world's highest precision bandgap voltage reference as a result of testing and calibrating National Semiconductor's voltage reference technology

News from National Semiconductor (24 July 2001)

Simple solution for powering set-top boxes

National Semiconductor reckons its new PWM inverting switching regulator provides the smallest, lowest-noise and easiest-to-use power solution for the tuner voltage in set-top boxes

News from National Semiconductor (19 July 2001)

Linear FET controllers for space-saving PSU design

Semtech has a new family of linear FET controllers that enable simple, space-saving design of distributed single and dual power supplies on primary and peripheral circuit boards

News from Semtech (19 July 2001)

Improved power management for Pentium III PCs

Two new PWM linear power system controllers from Intersil are optimised for the latest Pentium III desktop PCs conforming to Intel's VRM 8.5 standard for advanced power management

News from Intersil (19 July 2001)

High-efficiency regulators cut PSU power drain

Seiko Instruments is claiming an efficiency as high as 94% for its S-8532 series of step-down (buck) switching regulator controllers

News from Seiko Instruments (17 July 2001)

Low-cost miniature push-pull voltage controller

New from Semtech, the SC4820 is a low-power pulsewidth modulator (PWM) controller intended for power conversion using push-pull or bridge topologies

News from Semtech (16 July 2001)

Three-phase motor control IC has back-EMF sensing

The A8906CLB from Allegro MicroSystems Europe is a bidirectional three-phase brushless DC motor controller/driver integrated circuit with back-EMF sensing

News from Allegro MicroSystems Europe (16 July 2001)

Reset ICs prevent system errors during power up

Rohm has launched a family of low-current reset ICs that will prevent system errors during the transient states that can occur when CPUs and logic circuitry are switched on and off

News from Rohm Electronics (4 July 2001)

Thermal management improves power control

Crydom reckons its market-leading thermal-management technology gives the L series single-phase power semiconductor bridge distinct advantages over discrete assemblies

News from Crydom International (25 June 2001)

Power supply chip changes mode to raise efficiency

The STR-X6400 Series from Allegro MicroSystems Europe is a multimode offline switch-mode power-supply IC that automatically changes its operating mode to ensure maximum efficiency

News from Allegro MicroSystems Europe (22 June 2001)

Low-noise LDOs aim for cellular handsets

Available from Young ECC and manufactured by Japan Radio Co, the NJM2870 LDO regulator family uses advanced bipolar technology to achieve low noise, high ripple rejection and low quiescent current

News from Young Electronics Group (21 June 2001)

Compact modules deliver reduced component count

Toshiba claims its latest compact intelligent power modules will save space, reduce component count and improve reliability in high-power switching designs requiring operation up to 1200V

News from Toshiba Electronics Europe (21 June 2001)

Power chipset optimises Class D power amps

New from International Rectifier, IRCS-Series power semiconductor chipsets are optimised for the Crystal CS44210 TrueDigital Class D power amplifier controller IC from Cirrus Logic

News from International Rectifier (14 June 2001)

PWM controller boosts Li-ion voltages

Capable of boosting the voltages generated by one- or two-cell Li-ion battery-powered applications, the new MIC2186 PWM control IC from Solid State Supplies has a wide output range of 2.9 to 14V

News from Solid State Supplies (13 June 2001)

DC/DC controller saves with ceramic capacitors

The XC9101/02 is Torex Semiconductor's third-generation step-up DC/DC convertor controller and is ideal for a wide range of handheld applications

News from Torex Semiconductor (11 June 2001)

Borochoff reaches the Summit in sales

Steven P Borochoff has been appointed by Summit Microelectronics as its new vice president of worldwide sales

News from Summit Microelectronics (8 June 2001)

Intersil provides power for AMD processsors

A new addition to Intersil's growing Endura family of power management ICs, the ISL6223, has been selected by AMD for improved power management for the latest Athlon and Duron processors

News from Intersil (4 June 2001)

Three-phase brushless DC motor MOSFET controller

The new A3932 from Allegro MicroSystems is a three-phase brushless DC motor controller integrated circuit

News from Allegro MicroSystems Europe (4 June 2001)

Convertor family expands to higher voltages

National Semiconductor has added four high-voltage step-down voltage convertors to its high-efficiency Simple Switcher line

News from National Semiconductor (29 May 2001)

Compact bridge rectifiers run up to 1200V

The new GBL- and GBU-Series bridge rectifiers from International Rectifier are rated for operation over the voltage range 50 to 1200V, making them suitable for general use in industrial and consumer e

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