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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
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
2006-06-19 Multifunction IC packs battery charger, buck converter
Linear has introduced a multifunction IC featuring a standalone linear battery charger and a highly-efficient synchronous buck converter
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
2008-09-19 Dual buck converter fuses high, low current power functions
AnalogicTech is a new dual buck converter for mobile consumer and wireless applications
2006-07-27 DC/DC buck converter improves efficiency, thermal performance
IR said its new synchronous buck converter chipset features packaging with double-sided cooling and the latest HEXFET MOSFET technology to reach higher levels of efficiency and thermal performance at the intermediate current levels
2011-10-04 Choosing audio amplifiers for portable devices
Read about the various means of improving audio in mobile phone and portable audio systems, many of which use a processor with integrated analog audio outputs
2006-07-28 Buck regulator with LDO targets slim wireless designs
ON Semi said the NCP1526 is the first integrated converter on the market that is housed in an ultrathin 0.55mm UDFN package, which fits nicely into a slim portable design
2008-04-21 Buck regulator touts highest efficiency for DVS apps
Fairchild has developed a highly efficient power management solution for new dynamic voltage scaling platforms found in cellphones, portable media players and other portable applications
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
2010-06-03 5V regulator extends battery life in portable apps
From Fairchild Semiconductor comes the FAN4860 5V 300mA TinyBoost regulator that offers power for USB On-the-Go and HDMI communication circuits.
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
2016-04-12 Selecting step-up/down voltage regulator for portable apps
In portable applications, the voltage regulator efficiency is of the utmost importance. In this article we will review the available options, compare their performance, and determine the most efficient solution
2006-11-27 Power-management ICs target portable devices
AnalogicTech has introduced two highly integrated power-management ICs for smart phones, portable media/music players and other handheld computing devices
2008-01-16 Dual synchronous buck converter measures 2mm x 2mm
Micrel has launched the MIC23250, claimed to be the industry's smallest high-efficient, dual 400mA 4MHz PWM synchronous buck step-down converter housed in a 2mm x 2mm, 10-lead MLF package
2004-12-08 Digitally set dc-dc converter/controller boosts portables
Summit bills its SMB120 nine-channel dc-dc converter/controller as the first power-with-power-management IC for portable apps that's digitally programmable
2008-01-15 DC/DC converter platform has eight VID output settings
Semtech Corp. has released the SC198 and SC198A dual-output synchronous DC/DC buck converters each with eight VID programmable output voltage settings that allow portable systems manufacturers to easily lower processor voltages and extend the battery life of their devices
2010-04-14 4A converter extends battery life in portable apps
Texas Instruments Inc. is rolling out what it claims to be the smallest and highest-performance buck-boost converter with a 4A switch and up to 96 percent efficiency
2008-05-07 32V 500mA buck regulator integrates dual power monitor
austriamicro's hysteretic, high-efficiency step-down regulator in a 4mm x 4mm MLPQ 12-pin package is said to be the industry's first 32V 500mA buck regulator with integrated dual power monitor
2005-10-11 ST power-supply IC tailored for white LEDs in portable apps
STMicroelectronics rolled out a new power-supply IC that is specifically designed to drive the high-current white LEDs used for flash illumination in the latest generation of mobile imaging equipment.
2002-08-07 TI power management ICs extend battery life
TI's new power management devices provide dual outputs for system and core voltages, extending battery life in portable devices with 95 percent efficiency
2007-12-03 Step-down converters rev up efficiency
Given the importance of battery life to end products' market success, step-down converter manufacturers are employing a wide array of schemes to maximize the efficiency of their devices in light load
2006-11-17 National Semiconductor claims 'first' flexible PMU
National Semiconductor claimed it has developed the first flexible PMU with an integrated buck-boost converter to its family of digitally programmable, multiple-output power management devices
2005-07-12 IR chipset suits notebook computers with Intel, AMD processors
International Rectifier's IRF6621/IRF6612 synchronous buck converter chipset is optimized for 14A to 18A per phase dc-dc power conversion in advanced notebook computer designs using the latest Intel and AMD processors
2014-09-17 Converting lithium-ion to primary battery
Converting a lithium-ion design to primary cells is sometimes an intermediate step in the design process. To help you accomplish this, we provide some strategies and example solutions in this article.
2005-04-28 Chipsets offer higher power density
International Rectifier introduced two new 30V DirectFET MOSFET synchronous buck converter chipsets for advanced notebook computer designs using the latest Intel and AMD processors
2005-05-25 Taming power inductors for SoC integration
How can we discard power inductors from our designs?
2005-01-04 Power-management IC digitally programmable
The new dc-dc converter/controller from Summit Micro is touted by the company to be the first power-with-power-management IC for portable apps that is digitally programmable
2010-06-09 POL regulators manage standby, full current demands
Semtech Corp.'s SC173 and SC174 POL regulators help designers meet the demanding green power requirements by efficiently managing both standby and full current demands.
2005-01-27 DC/DC converters with automatic PFM-PWM mode operation
National unveiled the first two products in a family of miniature, high efficiency synchronous step-down DC/DC converters for portable systems
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