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2014-08-04 TI delivers triple-output synchronous buck converters
TPS65261 and TPS65262 feature 4.5V to 18V input supply voltage range for intermediate bus voltages operating off 5V, 9V, 12V or 15V power buses or batteries.
2015-02-03 Simplify compensation with LED buck regulator
Find out how to compensate the control loop in a peak current-mode controller to ensure stability when you are regulating current rather than the output voltage.
2005-06-14 Power supply solutions for TI DSPs using synchronous buck converters
This app note describes simple power solutions for TI'sTMS320C6000 and TMS320VC54xx DSP applications using synchronous buck converter controllers, such as the TPS56100, TPS5210, TPS56xx, and TPS5602
2015-11-24 Multi-channel synchronous buck converters for car apps
As more electronic systems are added into ever shrinking spaces, minimising the solution footprint while maximising efficiency is also critical. Read about power ICs touted to meet these demands.
2015-01-16 Linear Technology outs 4-channel 8A configurable buck DC/DCs
The LTC3371 aims at systems requiring multiple low-voltage power supplies. It has eight unique output current configurations and is available in 38-pin 5mm 7mm QFN and TSSOP packages.
2002-11-20 IR MOSFET suits HF synch buck converters
International Rectifier's IRF6607 DirectFET MOSFET is specifically designed for synchronous buck converters operating up to 2MHz.
2007-09-27 FET module saves space in synchronous buck designs
Fairchild Semiconductor's FDMS9600S and FDMS9620S are two highly integrated modules that significantly reduce board space while providing the ability to achieve higher conversion efficiency in synchronous buck designs
2002-05-29 Datel 10A dc converters target DSP, ASIC, CPLD
The LSN D3 series of 10A dc/dc converters from Datel Inc. accepts inputs from 3V to 3.6V and delivers outputs of 1, 1.2, 1.5, 1.8, 2, and 2.5V
2011-12-02 Buck converter operates at fixed 1.2MHz frequency
Linear Tech's 15V, 300mA LTC3103 and LTC3104 use synchronous rectification that claims to deliver efficiencies as high as 95 percent
2002-02-11 Vishay single-package dc/dc converters cut down on mobile space
Vishay Intertechnology's FunctionPAKs for cell phones, notebook computers and digital cameras are complete synchronous dc/dc converters in a single 20-pin BGA/LGA package measuring 14.7-by-12mm with a 1.8mm-high profile
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.
2008-04-07 Tiny buck regulator touts 2.4MHz switching frequency
Linear Technology has rolled the LTC3523/-2, a combination of a 600mA (ISW) synchronous boost and a 400mA (IOUT) synchronous buck regulator in a 3mm x 3mm QFN-16 package
2003-02-03 TI buck drivers eliminate diode conduction losses
The company's pair of synchronous buck drivers provide system power designers up to four percent more efficiency and up to 40 percent improved dissipation
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.
2008-09-15 Step-down converters are 95 percent power efficient
Toshiba America Electronic Components Inc. has announced two new single-chip DC/DC converter ICs with 1A (max.) output current (Iout).
2014-06-03 Power tip: High-to-low in synchronous boost
There are only a few publications describing the switching waveforms in a synchronous boost regulator. This article explains why the boost labours to handle the high-to-low transition
2010-01-27 PoL DC/DC converters enable design flexibility
Based on 600kHz synchronous buck topology, the new converters offer power conversion efficiencies of 93 and 92 percent respectively.
2014-06-24 PMBus enhances programmability in converters
The 18V DC/DC converters from TI feature PMBus interface, which provides for converter configuration as well as monitoring of key parameters including output voltage and current
2002-04-18 ON Semiconductor buck controller fits low-voltage computing apps
Designed for use in dc/dc converters in computing and telecom boards, the NCP1570 8-pin synchronous buck controller from On Semiconductor provides a power supply for computing applications that require voltages down to 1V and current levels up to 15A.
2015-12-16 Low quiescent current with buck converters at high temp
This article discusses the contributors to no-load-input current in addition to the Iq of the converter itself, and the associated temperature dependency.
2005-07-18 IR rolls new buck controller-driver ICs
IR's new IR3621M and IR3621F voltage-mode, dual output bi-phase synchronous buck controller-driver ICs are designed for high performance point-of-load buck converters used in networking, computing and communications systems.
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.
2004-05-06 IR chipset eyes high-frequency dc-dc converters
The company has introduced a control and synchronous switching chipset for high-frequency dc-dc converters powering next-generation Intel and AMD processors
2004-07-14 Intersil MOSFET driver IC suits dc-dc converters
Intersil's new two-channel synchronous-buck MOSFET driver IC is designed for high-current dc-dc converters used in datacom, telecom, point-of-load and computing apps.
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
2010-09-03 DIOFETs up reliability, efficiency of POL converters
The devices monolithically integrate a power MOSFET and anti-parallel Schottky diode into a single die.
2006-01-27 DC/DC converters target cellphones
Advanced Analogic Technologies introduced the AAT1146 and AAT2512 step-down DC/DC converters for GSM phone applications
2012-01-27 DC/DC converters cut part count, BOM cost
ZMDI's buck converters come in fixed-output voltage options of 1.5, 1.8, 2.5, 3.3 and 5V, and operate from -40C to 125C
2008-08-13 DC/DC converters add 80V load-dump protection
Maxim Integrated Products introduces the MAX5098A/MAX5099 dual-output, high-switching-frequency DC/DC converters capable of delivering 2A and 1A of output current
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
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