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What is buck-boost converter?
A Buck (step-down) converter followed by a Boost (step-up) converter. It is a type of DC-DC converter that has an output voltage of the same polarity as the input but with a magnitude that is either greater than or less than the input voltage magnitude.
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2006-12-18 Synchronous converter delivers up to 600mA
Linear Technology has announced the LTC3530, a synchronous buck-boost converter that delivers up to 600mA of output current to a regulated output voltage with inputs above, below or equal to the output.
2003-05-26 Positive to Negative Buck-Boost Converter Using LM267X SIMPLE SWITCHER Regulators
This application note discusses the design of a polarity inverting converter, using LM267X Simple Switcher Regulators
2000-11-30 Positive to negative buck-boost converter using LM267X simple switcher regulators
This application note discusses the design of a polarity-inverting converter using National Semiconductor's 3G Simple Switcher LM267X Series of regulators
2015-09-25 Linear Tech outs 50mA synchronous buck-boost DC/DC converter
With only 680nA of quiescent current and programmable peak input currents from 5mA up to 250mA, the LTC3335 is intended for various low power battery applications.
2001-09-07 Discontinuous current inverted buck-boost converter using a LPT E2000Q core
This application note describes how to design a discontinuous current inverted buck-boost converter using Coremaster's E2000Q magnetic core.
2001-09-07 Designing a continuous current buck-boost converter using a LPT E2000Q core
This application note describes how to design a continuous current buck-boost converter using Coremaster's E2000Q magnetic core.
2013-10-09 DC/DC converter manages 3G,LTE bandwidths up to 20MHz
The LM3290 step-down converter with integrated DC boost enable the use of envelope tracking techniques in RF transmitters to reduce the power amplifier temperature by 20C
2007-03-16 Choose the best buck-boost converter
Design engineers have many choices for generating 3.3V from a Li-ion battery. The optimal solution depends on the specific system requirements. Most systems will benefit from the advantages provided by a buck-boost converter.
2007-07-24 Buck-boost design stretches cellphone runtime
Linear has introduced a 800mA buck-boost converter that targets Li-Ion-powered handhelds with its input range of 2.4-5.5V and output range of 1.5-5.25V.
2014-01-27 Buck-boost converter supports up to 1.5A output current
Linear Tech's LTC3111 claims to offer 95 percent efficiency and delivers a continuous, jitter-free transition between buck and boost modes, making it ideal for RF and noise-sensitive applications.
2010-02-23 Buck-boost converter suits GSM modems
From Linear comes a 96 percent efficient, synchronous buck-boost converter that delivers up to 1A of output current to a regulated output voltage with inputs above, below or equal to the output.
2007-04-05 Buck-boost converter offers extended battery time
Linear Technology has released the LTC3533 synchronous buck-boost converter that delivers up to 2A of output current from a Li-ion/Polymer source or 800mA from dual cell alkaline/NiCad/NiMH sources.
2011-08-08 Buck-boost converter offers 1A output current
Linear Technology's LTC3536 is a synchronous buck-boost converter that delivers up to 1A of output current from a Li-Ion/Polymer source or 300mA from dual cell alkaline/NiCd/NiMH sources.
2006-04-05 Buck-boost converter delivers 500mA output
Linear Technology announced a synchronous buck-boost converter that can deliver up to 500mA of output current to a regulated output with inputs above, below or equal to the output.
2006-01-03 Buck-boost converter delivers 200mA output current
Linear Technology announced a synchronous buck-boost converter that delivers up to 200mA of output current to a fixed regulated output.
2009-03-18 Buck-boost converter boasts up to 90% efficiency
austriamicrosystems has introduced the AS1331 buck-boost converter suitable for dual or triple cell alkaline/NiCad/NiMH as well as single cell Li-ion battery applications.
2007-10-17 Buck boost converter extends battery runtime
In single-cell Li-ion applications requiring a 3.3V output, the buck-boost topology of Linear Technology's LTC3520 dual-channel, 2MHz synchronous converter, can enable over 25 percent longer battery runtimes compared to a standard buck converter.
2008-02-29 700mA/1 A buck boost LED driver using FETs, high side current sensing and a NCP3063 controller
This application note will focus on driving 3 to 6 LEDs, at a regulated 700 mA/1 A, from low voltage DC or AC sources commonly used in lighting applications at power levels to 20 W.
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.
2013-06-19 40V, 2A buck-boost converter available in H grade, MP Grade
Linear's LTC3115-1 is a synchronous buck-boost converter that delivers up to 2A of continuous output current from a wide range of power sources.
2014-02-24 Use TPS62120 in inverting buck boost topology
Here's a look at the TPS62120 in an inverting buck-boost topology for use in low current negative rails
2010-04-06 Triple-output converter keeps regulated voltage
Linear Technology Corp. has released the LTC3859 triple-output, low-quiescent current synchronous DC/DC controller that maintains all output voltages in regulation during automotive cold crank conditions.
2012-01-17 Realize four switch conversion in buck-boost controller
Find out how to implement a four switch version of the LM5118 buck-boost controller
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.
2005-06-22 Non-isolated positive output buck/boost ac-dc converter
This app note describes how to easily design a simple, non-isolated ac-dc converter for powering the low voltage control portion of line-powered applications that use a triac or SCR power switch
2006-01-04 Multi-topology converter integrates constant-current PWM
Linear Technology unveiled a current-mode multi-topology converter with constant-current PWM
2003-09-19 Maximizing start-up loads with the LM3352 regulated buck/boost switched capacitor converter
This application note lists down how the LM3352 achieves Buck/Boost operation by using various switching schemes to produce different gains
2004-06-11 Linear Tech dc/dc converter delivers up to 1.2A output current
Linear Tech developed a true buck-boost dc/dc converter that can deliver up to 1.2A of output current at efficiencies as high as 95 percent.
2005-01-27 Linear Tech dc-dc converter optimizes battery run time
A true Buck-Boost dc-dc converter, which delivers up to a continuous 1.2A of output current at efficiencies as high as 95 percent, was recently announced by Linear Tech.
2005-06-02 Linear Tech dc-dc converter features internal 3A, 42V switch
The new current mode, fixed frequency dc-dc converter from Linear Tech features dual rail-to-rail current sense amplifiers and an internal 3A, 42V switch
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