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2005-04-07 Regulator provides up to 3A
The MIC2207 from Micrel is a high efficiency PWM buck regulator that provides up to 3A of output current
2009-01-20 LM3423 buck-boost configuration evaluation board
This evaluation board has been designed to demonstrate the LM3423 low-side controller as a step-up/step-down (buck-boost) regulator to deliver constant current to high power LEDs.
2009-04-03 Buck-boost controller promises up to 98% efficiency
Linear Technology is offering the new high reliability grade version of the LTC3780, a very high-efficiency synchronous buck-boost switching regulator DC/DC controller that operates from input voltages above, below or equal to the output voltage
2008-04-16 Tips on implementing negative buck topology
This article analyzes the architecture and detailed operation of the negative buck topology. It will also discuss actual circuit implementations for the topology, from a system perspective down to the building of the needed circuit blocks, and include examples on how to build a voltage translator circuit, a key block in implementing a negative buck regulator using readily available boost ICs
2005-11-21 Synchronous step-down controller with 95 percent efficiency
Intersil's new synchronous step-down controller integrates a synchronous buck PWM controller, a sourcing and sinking LDO regulator and a 10mA reference output buffer.
2015-03-11 Switching regulator touts output tracking, FPGA sequencing
The ISL8002B from Intersil offers up to 2A of continuous output current from a 2.7V to 5.5V input supply and boasts 2MHz switching frequency to deliver superior transient response.
2009-08-17 Step-down regulators deliver 1.5A current
Linear Technology's new 4MHz synchronous buck regulator touts a controlled frequency, current mode architecture
2007-08-08 Step-down regulator features Trickle Mode operation
Micrel's 2.5MHz dual 800mA synchronous buck (step-down) regulator uses the Trickle Mode switching architecture scheme that enables light load efficiency for Li-ion battery powered systems that require maximum efficiency in order to prolong use.
2008-08-07 Step-down regulator carries 8A continuous output at 0.6V
The LTC3608 is a high efficiency, synchronous buck regulator that can deliver up to 8A of continuous output current at voltages as low as 0.6V
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
2005-12-14 Step-down controller ICs enable flexible voltage conversion
Vishay released two new synchronous buck step-down controller ICs designed to operate with external MOSFETs and a minimum of external components in DC/DC converter circuits that require output currents upwards of 10A
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.
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
2006-07-06 Regulator features wide input range
Allegro MicroSystems expanded its current family of step-down regulators by adding a 3A fixed off-time, current-mode-controlled buck-switching regulator.
2008-02-28 Reduced footprint marks buck regulator
Exar has introduced the latest addition to its PowerBlox family of high-efficiency, step-down switching regulators with the introduction of the SP7656 3-A (4A peak) non-synchronous buck regulator.
2005-08-02 PWM buck regulator delivers 3A
Micrel's new PWM buck (step-down) regulator provides up to 3A of output current. It operates at 1MHz and has external compensation that allows a closed loop bandwidth of over 100KHz.
2005-09-16 National Semi rolls 'first 75V, 2.5A integrated buck regulator
Designed for easing industrial, automotive and telecom designs, the LM5005 from National Semiconductor is touted to be the industry's first 75V, 2.5A integrated buck regulator
2004-04-22 National regulator has 90 percent power efficiency
National Semiconductor has rolled out the industry's first 100V Buck bias regulator, which operates at up to 90 percent power efficiency
2007-03-01 National intros 'first' 6-100V current-mode buck controller
National Semiconductor said it has introduced the industry's first 6V to 100V current-mode buck controller for use in telecommunications, automotive and industrial control applications
2006-01-27 Micrel regulator enables slimmer phones
Micrel unveiled what it touts as the industry's first 8MHz, 500mA synchronous buck regulator for portable applications
2002-05-15 Micrel PWM regulator is 36 percent smaller
The MIC4685 200kHz PWM buck regulator is housed in a 7-lead SPAK casing, allowing it to occupy a footprint 36 percent smaller than similar products in D2PAK housings
2005-01-11 Micrel buck regulator provides low noise, high efficiency
The new MIC2205 from Micrel is a high efficiency 2MHz PWM synchronous buck regulator that features a LOWQ LDO standby mode
2008-11-19 LM2854 1MHz buck regulator demo board
The LM2854 PowerWise SIMPLE SWITCHER buck regulator demonstration board is a 1MHz step-down voltage regulator capable of driving 0A up to 4A load current with excellent power conversion efficiency.
2002-02-20 Linear Tech step-down switching regulator provides 300mA output
The LTC3405 synchronous step-down switching regulator delivers up to 300mA of output current from a 2.5V to 5.5V input voltage range making it suitable for single-cell Li-ion battery-powered applications such as cellular phones, PDAs, and digital cameras
2002-09-04 Linear Tech step-down regulator delivers 600mA
The LTC3406B step-down regulator delivers 600mA output current from a 5-lead ThinSOT package, making the device suitable for use in handheld applications with onboard noise-sensitivity circuitry
2002-07-23 Linear Tech step-down regulator delivers 2.5A
Linear Technology Corp. has announced the availability of the LTC3412 4MHz synchronous buck regulator that delivers up to 2.5A of continuous current at 0.8V
2002-05-10 Linear Tech step-down regulator delivers 1.25A
The LTC3411 synchronous buck regulator from Linear Technology Corp. delivers up to 1.25A of continuous output current at output voltages as low as 0.8V
2002-06-06 Linear Tech regulator delivers up to 96 percent efficiency
The LTC3406 step-down synchronous buck regulator provides up to 600mA of continuous output current and uses 0.40-ohm internal switches to deliver efficiencies of up to 96 percent.
2002-06-04 Linear Tech dc/dc converter packs step-down, LDO controllers
The LTC1704 dual output dc/dc converter from Linear Technology Corp. integrates a step-down synchronous controller and an LDO controller into a 16-lead SSOP casing
2007-08-07 Get negative auxiliary output from a buck regulator
Buck switching-power converters are the most common method used to efficiently step down positive input voltages
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