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2002-07-01 ON Semi buck converter delivers up to 91 percent efficiency
The NCP1500 dual-mode PWM buck converter from ON Semiconductor features a linear mode that the company claims reduces noise and quiescent current at low current levels, and a PWM mode that delivers up to 91 percent efficiency for heavy loads.
2008-02-18 Why select a digital power converter
What impact, if any, is there for designers wishing to use digital power converter modules in place of existing analog designs
2011-03-24 Step-down LED driver offers 10,000:1 true color PWM dimming
Linear Technology's LT3597 60V, 1MHz, step-down DC/DC converter operates as a three channel, constant current LED driver for backlighting LED billboards as well as industrial, automotive and medical displays
2005-04-07 PWM controllers cut component count
Maxim claims that its new PWM buck controllers allow the design of high-output-current, compact power supplies with a minimum number of external components
2006-01-05 PWM controller offers extra flexibility
Intersil's ISL6420A PWM controller offers programmable switching frequency, programmable soft start, external compensation, a wide DC input, and two package choices
2007-12-21 Power conversion solution eases buck converter design
International Rectifier has introduced the iP1206, a fully optimized solution for synchronous buck applications including telecom and networking equipment
2016-04-06 PCB layouts for buck, boost, SEPIC power stages
Non-isolated power stages are the basic building blocks of power systems. In this article, we investigate the buck, boost and single-ended primary inductor converter power stages
2010-02-16 MC13783 buck and boost inductor sizing
This application note aims to provide a method of choosing the size of the inductors for the optimized switching regulators vs. the current consumption of the application.
2008-04-07 Low noise DC/DC converter fits mobile apps
Enpirion has made available a 600mA synchronous buck converter with an integrated inductor, delivering extremely low output ripple in a tiny 3mm x 3mm x 1.1mm QFN package
2006-06-02 ISL6558EVAL2: Low-profile, 5V/12V input, 500kHz and 90 percent efficiency DC/DC converter
This application note first gives a brief introduction of Intersil's four-phase controller ISL6558 and synchronous rectified driver ISL6609.
2002-06-10 IR ships PWM controller IC for VRM 9.0 designs
International Rectifier has announced the shipment of the IRU3055CQ 5-bit programmable, three-phase PWM controller IC that is designed to meet Intel's VRM 9.0 specification
2009-06-29 IR intros new PWM control IC
International Rectifier has unveiled the IR3640M PWM control IC for high performance synchronous DC/DC buck applications including servers, storage, netcom, game consoles and general purpose DC/DC converters
2004-09-06 IR controller IC targets POL buck converters
The company introduced a pulse width modulated dual synchronous buck controller and driver IC for point-of-load buck converters
2006-01-26 Converter simplifies DC/DC design process
Vishay's two new high-speed converter solutions integrate the control MOSFET, the synchronous MOSFET, and driver circuit in a PowerPAK MLF 10mm-by-10mm package
2009-11-02 Converter offers two switching-frequency options
Maxim Integrated Products has released the MAX8884Y/MAX8884Z 700mA step-down converters with dual 300mA LDOs in a 2mm x 2mm CSP.
2007-10-09 Choose the optimum switching frequency of a DC/DC converter
Higher switching frequencies bring clear benefits but also have drawbacks; understand the tradeoffs and find the sweet-spot for your application. This practical article gives you apples-to-apples considerations.
2005-04-21 Buck converter suits 2-stage distributed power architectures
International Rectifier introduced a fully-optimized, full-function 15A single output synchronous buck converter device that achieves more than 90 percent efficiency at full load
2005-02-01 Buck converter delivers power density of >570W/inch
Vishay released a new fully-integrated dc-to-dc buck converter that delivers power density of more than 570W per inch
2009-07-29 Buck converter boasts wide input, light load
Texas Instruments has launched a fully integrated, 10A synchronous buck converter with integrated FETs that combines wide input, light load efficiency and reduced solution size to enable increased power density
2008-10-06 500mA step-down converter promises faster transient response
Advanced Analogic Technologies Inc., a developer of power management integrated circuits for communications, computing and consumer electronics devices, introduces the AAT1130, a new high performance 500mA monolithic step-down converter
2002-06-17 Vishay buck converters deliver >100W/inch3 power density
Vishay Intertechnology Inc. has announced the release of its FunctionPAK series of synchronous buck dc/dc converters that measures a maximum 14.7-by-12.2-by-3mm and delivers a power density of >100W/in3
2003-05-15 Power-One dc/dc converter eyes point-of-load apps
Power-One Inc. has jumped into the multichip-module arena with its maXyz family of non-isolated dc/dc converters aimed specifically at POL systems.
2007-10-11 Power manager integrates buck regulator, LDO
An ultra-small dual channel power management IC that provides two high-performance outputs for portable device applications has been launched by Micrel Inc.
2007-07-06 PoE controller supports any DC/DC converter topology
National Semiconductor Corp. has introduced a PoE powered device controller with adjustable output current level and the ability to interface with any DC/DC converter topology
2005-06-30 New chipset from IR maximizes DC bus converter efficiency
International Rectifier (IR) introduced a DirectFET chipset that maximizes DC bus converter efficiency when used with its recently announced IR2086S full-bridge bus converter IC
2006-03-23 National rolls out new PMU, DC/DC converter
National Semiconductor has added a flexible power management unit and a highly integrated DC/DC converter to its line of digitally programmable, multiple-output power management devices
2006-01-04 Multi-topology converter integrates constant-current PWM
Linear Technology unveiled a current-mode multi-topology converter with constant-current PWM
2007-06-19 Low-cost, complete power solution for powered devices includes 12V buck converter
The MAX5953A provides a simple and inexpensive, yet complete, nonisolated power solution for a powered device in a PoE system.
2010-02-22 LED driver comes with PWM dimming capability
Supertex has launched the HV9963 closed-loop LED driver IC with pulse width modulated (PWM) dimming capability designed to optimize LED performance and efficiency and extend LED life
2005-10-04 IR synchronous buck PWM controllers eye DC/DC POL apps
International Rectifier introduced two one-percent accurate, single output, synchronous buck PWM controllers with 4.5V to 16V input voltage capability
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