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Editorial archive;

Efficient, reliable ultra-fast 1200V IGBTs are ideal for induction heating applications (04 October 2011)
IR has launched a pair of efficient, reliable ultra-fast Trench Insulated Gate Bipolar Transistors for induction heating and resonant switching applications such as welding and high power rectification. Read more... More..

IR’s 40V to 200V family of automotive-qualified MOSFETs deliver benchmark on-state resistance performance (20 September 2011)
International Rectifier's automotive-qualified MOSFETs deliver benchmark on-state resistance for applications including electric power steering, integrated starter alternator pump and motor control. Read more... More..

IR’s Rugged, Reliable High-Voltage Gate Drive ICs in a PQFN4x4 Package Offer up to 85% Smaller Footprint (06 September 2011)
International Rectifier has introduced a PQFN 4mm x 4mm package featuring IR’s latest high-voltage gate drive ICs that delivers an ultra-compact, high density and efficient solution. Read more... More..

Converter sees space (01 August 2011)
High efficiency, low voltage output DC-DC converter is for spacecraft applications. More..

Intelligent Power Switch (07 June 2011)
IR introduces highly integrated AUIR3330S with active di/dt control for automotive motor control. More..

Automotive DirectFET®2 Power MOSFET Chipset Optimized for DC-DC Applications Requiring High Power Density and Efficiency (17 May 2011)
International Rectifier has introduced an automotive DirectFET®2 power MOSFET chipset optimized for DC-DC applications used in internal combustion engine (ICE) cars, hybrid and EVs. Read more... More..

IR’s IRS2548D LED Control IC Increases Efficiency, Simplifies Design and Reduces Overall System Cost (03 May 2011)
International Rectifier's IRS2548D Switched Mode Power Supply control IC is for energy efficient applications for high power LED illumination including street, stadium, and theatrical lighting. Read more... More..

IR’S HVICS lead the way towards energy efficiency (28 April 2011)
With the tremendous global initiative towards increased energy efficiency, off-line power converters have drawn a significant amount of attention resulting in more stringent requirements to reduce power losses. More..

IR’s Family of Power Factor Correction ICs Offer Enhanced System Protection and Safety While Reducing Design Size and Overall System Cost (22 March 2011)
International Rectifier has introduced the IR115x family of µPFC™ power factor correction ICs for a variety of AC-DC applications. Read more... More..

IR’s 60 Amp Rated IR3550 PowIRstage Achieves Highest Current in Smallest Form Factor with Best-in-Class Efficiency (15 March 2011)
International Rectifier's IR3550 is the first in a family of integrated PowIRstage® products that delivers higher efficiency and better thermal performance, along with smallest footprint. Read more... More..

MOSFETs improve efficiency up to 2 percent (01 March 2011)
International Rectifier has introduced a family of DirectFET plus power MOSFETs featuring IR’s new generation of silicon that sets a new standard in efficiency for 12 V input synchronous buck applications. Read more... More..

IR’s family of 25V and 30V performance PQFN power MOSFETs delivers a HD solution (23 November 2010)
International Rectifier has announced the introduction of a family of 25V and 30V devices featuring IR’s latest HEXFET® MOSFET silicon in a new performance PQFN 3 x 3 package. Read more... More..

New Family of Highly Integrated SupIRBuck™ Point-Of-Load Voltage Regulators (16 November 2010)
International Rectifier has expanded its SupIRBuck™ family of integrated point-of-load (POL) voltage regulators. The new devices, tailored for energy-efficient high performance server, storage, telecom and netcom applications offer greater efficiency and functionality. Read more... More..

IR Expands Family of Robust, Reliable Automotive DirectFET®2 Power MOSFETs with System Scalability (08 November 2010)
International Rectifier has announced the expansion of its family of automotive DirectFET®2 power MOSFETs that deliver exceptional power density, dual-sided cooling and minimal parasitic inductance and resistance for heavy load applications. Read more... More..

Stellar performance for satellites (25 October 2010)
IR has launched the SBB Series of non-isolated, radiation hardened POL voltage regulators. More..

8-pin half-bridge control ICs (19 October 2010)
Industry’s first 8-pin high efficiency resonant half-bridge control ICs to simplify SMPS design. More..

IR introduces AUIRF7648M2 and AUIRF7669L2 automotive DirectFET®2 power MOSFETs optimised for switching apps (08 September 2010)
International Rectifier has launched two automotive DirectFET®2 power MOSFETs optimised with low gate charge for switching applications including Switch Mode Power Supplies, Class D Audio systems, and automotive power conversion applications. Read more… More..

IR expands its family of automotive-qualified MOSFETs featuring low on-state resistance (31 August 2010)
IR has expanded its family of automotive-qualified power MOSFETs for applications requiring low on-state resistance including on-board power supplies and heavy loads on Internal Combustion Engine platforms, micro and full hybrid platforms Read more… More..

Quick control for high intensity (28 May 2010)
High-Intensity Discharge (HID) lamps are becoming more and more popular due to their very high brightness, good colour rendering and long lifetime. Tom Ribarich guides us through the development of a ballast circuit for a HID lamp using a new control IC. More..

Best blend for power design (21 April 2010)
Blending MOSFET packaging and silicon advances can simultaneously boost efficiency and power density, according to Graham Robertson. More..

IR Introduces 20V, 25V and 30V MOSFETs in PQFN Package for ORing and Motor Drive Applications (06 April 2010)
The new power MOSFETs featuring IR’s latest silicon technology are the company’s first devices available in a 5x6mm PQFN package with optimized copper clip and solder die. Read more... More..

IR Introduces Industry’s First Commercially Available GaN-based iP2010 and iP2011 Integrated Power Stage Devices (17 March 2010)
Utilising IR’s Revolutionary GaN-based Technology Platform, GaNpowIR International Rectifier has introduced the first family of commercial integrated power stage products utilising IR’s revolutionary Gallium Nitride (GaN)-based power device technology platform. Read more... More..

IR’s Automotive DirectFET2 Power MOSFETs Deliver Exceptional Power Density and Performance (10 March 2010)
International Rectifier’s AUIRF7739L2 and AUIRF7665S2 DirectFET®2 power MOSFETs deliver exceptional power density, dual-sided cooling and low parasitic inductance and resistance in a robust, reliable and AEC-Q101 qualified package. Read more... More..

IR Introduces 20V, 25V and 30V MOSFETs in PQFN Package for ORing and Motor Drive Applications (01 March 2010)
The new power MOSFETs featuring IR’s latest silicon technology are the company’s first devices available in a 5x6mm PQFN package with optimized copper clip and solder die. Read more... More..

DirectFET2 Power MOSFETs (02 February 2010)
IR has released the AUIRF7739L2 and AUIRF7665S2 automotive DirectFET2 power MOSFETs. More..

Intelligent power switches (22 December 2009)
IR has introduced rugged, reliable AUIPS7121R and AUIPS7141R intelligent power switches. More..

IC's MOT protection (15 December 2009)
IR’s IR11672A delivers greater protection and higher system efficiency for AC-DC power converters. More..

Power to the Package (30 November 2009)
Graham Robertson of International Rectifier looks at a packaging innovation that improves MOSFET performance and design flexibility. More..

Half-bridge Driver IC Reduces Footprint for Space Constrained Automotive Applications (11 November 2009)
International Rectifier has introduced the AUIR2085S automotive-qualified control IC for low- mid- and high-voltage automotive drive applications including DC-DC converters, HEV auxiliary converters and battery management converters. Read more... More..

High-Side Driver IC with Internal Vs Charge for Harsh Automotive Apps (28 October 2009)
International Rectifier’s AUIRS2016S for automotive gate drive applications including common rail, diesel and gasoline direct injection apps and solenoid drivers, is a high-voltage power MOSFET high-side driver with an internal Vs-to-GND recharge NMOS. Read more... More..

Multiphase memory chipsets (23 October 2009)
IR has introduced the IR3522 and IR3506 XPhase chipset for DDR3 multiphase memory applications. More..

New 150V and 200V MOSFETs for industrial applications (08 September 2009)
International Rectifier’s 150V and 200V HEXFET® power MOSFETs offer ultra low gate charge (Qg) for industrial applications including Switch Mode Power Supplies, uninterruptable power supplies, inverters and DC motor drives. Read more... More..

IRF6718 MOSFET in Large Can DirectFET® Package (08 September 2009)
International Rectifier’s IRF6718 DirectFET® MOSFET, is a new 25V device offering the industry’s lowest on-state resistance (RDS(on)),optimized for DC switch applications such as active ORing, hot swap, and electronic fuse. Read more... More..

New Benchmark Industrial-Grade 30V MOSFETs (08 September 2009)
International Rectifier’s new industrial-qualified 30V TO-220 HEXFET® power MOSFETs offer extremely low gate charge (Qg) for applications including UPS, inverters, low voltage power tools, ORing applications, netcom and servers. Read more... More..

IRF6718 MOSFET in Large Can DirectFET® Package (02 September 2009)
International Rectifier’s IRF6718 DirectFET® MOSFET, is a new 25V device offering the industry’s lowest on-state resistance (RDS(on)),optimized for DC switch applications such as active ORing, hot swap, and electronic fuse. Read more... More..

Gallium nitride based power conversion raises density bar (23 April 2009)
GaN-on-silicon based High Electron Mobility Transistors (HEMTs) are poised to spark a new trend in power conversion solutions. This article highlights the merits of the new devices and examines the impact of multi-MHz switching on power density and analogue regulation. More..

IR’s integrated voltage regulators deliver benchmark efficiency, and dramatically reduce system size (16 March 2009)
The highly versatile Gen2 SupIRBuck™ family of integrated point-of-load (POL) voltage regulators feature International Rectifier’s latest advances in control IC, MOSFET and package integration technologies. Read more... More..

Control ICs for Energy-Efficient Fluorescent Ballasts Slash Component Count; Increase Reliability and Performance (16 March 2009)
International Rectifier's IRS2530D DIM8 and IRS2158D 600V control ICs for energy-efficient dimming fluorescent lighting ballast applications offer a high level of integration and protection features. Read more... More..

Benchmark MOSFETs Deliver 60 Percent Improvement in Package Current Rating (23 February 2009)
A new range of trench HEXFET® Power MOSFETs from International Rectifier featuring a high package current rating provide a package current rating of up to 195A. Read more... More..

Industrial qualified MOSFETs improve RDS(on) by 50 percent; reduce overall system cost (16 February 2009)
International Rectifier’s new trench HEXFET® Power MOSFETs feature benchmark low on-state resistance (RDS(on)) in a TO-247 package for synchronous rectification, active ORing and industrial applications. Read more... More..

XPhase® Control IC Provides High Density, Scalable Power Solution for POL Converters (09 February 2009)
IR’s XPhase® IR3513 provides scalable phases along with an internal gate driver, current sense and sharing, and PWM, providing a stand-alone single-phase regulator or interface with additional phase ICs. Read more... More..

Rugged Conversion Technologies For Extreme Environments (18 December 2008)
Factors such as component characteristics, materials selection, topology and assembly have helped to deliver a new range of DC/DC conversion technologies for defence and aerospace applications More..

IR Introduces Integrated and Protected Class D Audio Chipset for Small, High Performance Amplifiers (18 November 2008)
The IRS2092 integrated driver IC with protected PWM switching and IR's digital audio MOSFETs deliver a flexible chipset that can scale for Class D amplifier applications from 50W to 500W. Read more... More..

New rugged family of single-phase high-voltage ICs (18 November 2008)
International Rectifier’s IRS260xD high speed power MOSFET and IGBT drivers offer optional dependent or independent high- and low-side referenced output channels for sinusoidal and trapezoidal motor drive applications. Read more... More..

Rugged, Reliable Automotive-Qualified 600V Ics (18 November 2008)
IR’s AUIRS212xS family of rugged 600V, single channel high-side driver ICs for low-, mid-, and high-voltage automotive applications including general purpose automotive drives, high-voltage actuators and fuel-efficient direct injection systems. Read more... More..

New compact, high density integrated regulator for consumer applications (11 November 2008)
International Rectifier's new IR380x SupIRBuck is a versatile wide input, single output integrated point-of-load (POL) DC-DC voltage regulator for consumer embedded POL applications up to 14amps. Read more... More..

COTS DC/DC converters (04 November 2008)
International Rectifier's range is for high power subsurface and high temperature applications. More..

New driver ICs for motor drive applications (26 October 2008)
IR's IRS233x(D) family of three-phase gate driver ICs offer a high level of integration to simplify and shrink motor drive design while providing a high level of reliability and ruggedness. Read more... More..

30V MOSFETs shrink footprint (02 September 2008)
Direct FET MOSFETs shrink the SO-8 footprint by 40 per cent to save space in notebook computers. More..

New rugged family of single-phase high-voltage ICs (19 August 2008)
International Rectifier's IRS260xD high speed power MOSFET and IGBT drivers offer optional dependent or independent high- and low-side referenced output channels for sinusoidal and trapezoidal motor drive applications. Read more... More..

IR Introduces Integrated and Protected Class D Audio Chipset for Small, High Performance Amplifiers (12 August 2008)
The IRS2092 integrated driver IC with protected PWM switching and IR's digital audio MOSFETs deliver a flexible chipset that can scale for Class D amplifier applications from 50W to 500W. Read more... More..

Consumers - A test for power converters (25 July 2008)
Enhancements to point-of-load regulation may not be the first thing on a designer’s mind when it comes to developing next-generation consumer applications More..

DirectFET chipset launched (24 July 2008)
International Rectifier has launched a 25V DirectFET chipset optimised for high frequency, high efficiency DC-DC applications. More..

COTS MOSFETs as an alternative (15 July 2008)
RAD-Hard MOSFETs from IR can be driven from CMOS/TTL logic circuitry, reducing parts count. More..

MOSFETs minimise conduction (01 July 2008)
DirectFET MOSFETs from International Rectifier are optimised for synchronous buck converter designs. More..

Embedded regulators are up to 14A (03 June 2008)
At last week’s PCIM in Nuremberg, International Rectifier announced an addition to its SupIRBuck family. More..

SupIRBuck™ Integrated DC-DC Regulators (27 May 2008)
Point-of-load voltage regulators integrate IR’s synchronous buck control ICs and HEXFET® trench technology MOSFETs in a 5mm x 6mm Power QFN package. Read more ... More..

IR's new Integrated and Protected Class D Audio Chipset (27 May 2008)
The IRS2092 integrated driver IC with protected PWM switching and IR's digital audio MOSFETs deliver a scaleable chipset for small, high-performance Class D amplifiers from 50W to 500W. Read more ... More..

New DirectFET® MOSFET Chipset for 25V Applications (02 May 2008)
A DirectFET MOSFET Chipset provides low package inductance and device on-state resistance in high-current DC-DC converters. Read more... More..

Simplifying satellite power design (11 March 2008)
Triple output DC/DC power converter is launched by International Rectifier. More..

Class D has PWM switch (08 February 2008)
International Rectifier's chipset has the IRS2092 audio driver IC with protected PWM switching and IR’s audio MOSFETs. More..

Buck regulators are three in one (01 January 2008)
Integrating three packages onto a single die brings together the advantages of discrete and monolithic regulators. International Rectifier (www.irf.com) also manages to save board space with the SupIRBuck range of nine regulators in a 5mm x 6mm QFN package, which has a 9mm profile. More..

Variable speed motor controls (01 July 2007)
Demand is growing for appliances, such as washing machines, refrigerators and air conditioning units, to be more energy efficient. Moving from conventional fixed-speed motors to variable-speed operation could cut energy consumption by as much as 30 per cent More..

Power sources meet supply and demand (01 June 2007)
Energy efficiency and conservation are factors that determine the choice of power supply used in a design. Add to this the various style and format options and the choice for engineers is as wide as the engineering projects in which they are used More..

MOSFET range extended (01 September 2006)
International Rectifier (www.irf.com) has announced two MOSFET designs which extend its DirectFET and HEXFET ranges. Both can be used in computing applications, the HEXFET MOSFET can be used in servers, laptop adapters and desktop power supplies, while the DirectFET 30V synchronous buck converter chipset can be used in notebook and desktop computers in datacomms and telecomms. More..

IR develops DirectFET MOSFET for DC/DC converters (01 June 2006)
At last month’s PCIM (Power Control in Motion) in Nuremberg, International Rectifier (www.irf.com) launched DirectFET MOSFET chipset for high-current DC/DC converters in advanced telecomms and datacomms systems, notebook, high-end desktop and servers. More..