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2011-03-18 LED driver uses peak current mode control scheme
Supertex releases HV9860 boost LED driver designed to optimize the performance and lifespan of LEDs in applications RGB or white LED backlighting, LCD TVs and LED lamps.
2008-01-14 Hitchhiker's ride to the world of current mode control
In this article, we will address this challenge when it comes to the different types of current mode control schemes. We will discuss the basic concept behind current mode control, using simple analogies, then, explore the key highlights of the most famous schemes.
2013-09-03 Buck converter digital peak current mode control
Learn about the buck converter control theory, system design concepts, hardware design concepts, and the steps involved in software implementation.
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.
2011-07-05 LM5117 evaluation board
The LM5117 evaluation board provides the design engineer with a fully functional synchronous buck converter based on Emulated Current Mode Control to evaluate a controller IC.
2011-07-06 LM25117 evaluation board
The LM25117 evaluation board provides the design engineer with a synchronous buck converter based on Emulated Current Mode Control to evaluate the LM25117 controller IC.
2012-05-21 Evaluating LM25118 controller IC
Read about an evaluation board designed to provide a fully functional, emulated current mode control, buck-boost power converter to evaluate the LM25118 controller IC.
2007-05-01 Control high step-down ratios in buck regulators
A recently developed version of current-mode control known as Emulated Current-Mode Control (ECM) drastically improves the ability to operate with very high step-down ratios while maintaining good noise immunity.
2006-11-28 Buck regulator reduces number of external parts
Intersil's ISL65426 synchronous buck regulator switches at a fixed frequency of 1MHz and uses current-mode control with integrated compensation to minimize the size and number of external components and provide good transient response.
2009-02-18 2MHz LED driver suits compact apps
A 2MHz buck (step-down) LED driver from Allegro MicroSystems Inc. uses constant on-time with valley current-mode control. Its small size and high efficiency make it suitable for compact applications.
2010-04-14 WLED driver offers flicker-free dimming feature
Micrel Inc. has released the MIC3263 six-channel WLED driver equipped with a highly versatile dimming control scheme for LED brightness in small LCD panels.
2005-11-16 Underutilized SEPIC outperforms flyback topology
The article compares SEPIC and flyback power supplies that have identical requirements. See how one solution is more efficient than the other.
2012-03-26 Understanding LMR62421 demo board
Learn about the demo board supplied to demonstrate the operation of LMR62421 and give information on its usage.
2007-11-06 TI tips 2A, 3A SWIFT converters with dual outputs
Texas Instruments Inc. introduced four new dual-output SWIFT DC/DC step-down converters with integrated FETs that deliver 2A and 3A of continuous output current and support input voltages of 4.5V to 28V.
2006-03-16 TI DC/DC buck controllers simplify power design
Texas Instruments announced four new TPS40K DC/DC buck controllers that promise to simplify power design in STBs, disk drives, industrial control, servers and distributed power systems.
2004-09-27 TI dc-dc controller includes adaptive gate drivers
Texas Instruments has developed a multi-phase synchronous dc-dc buck controller with integrated adaptive gate drivers.
2011-01-31 Synchronous stepdown DC/DC controller touts precise conversion
Linear Technology Corp.'s LTC3880/-1 allows for digital programming and read back for real-time control and monitoring of critical point-of-load converter functions.
2010-08-05 Switching regulator speeds DC/DC converter design
The isolated monolithic flyback switching regulator cuts the opto-isolator, third winding or signal transformer from the design since the output voltage is sensed from the primary-side flyback signal.
2007-07-20 Switching regulator eliminates heat sink, boost diode
Linear Technology's LTC3813 is a synchronous No RSENSE step-up switching regulator controller that eliminates the boost diode and the heat sink
2005-05-26 Supertex PWM controller IC uses low noise boost-buck topology
The new HV9930 from Supertex is a variable frequency PWM controller IC designed to control an LED lamp driver using a low noise boost-buck topology.
2004-09-16 Supertex IC enables the design of highly efficient power supplies
Supertex has developed a high frequency power supply controller IC that utilizes the advantages of active-clamp converter topologies.
2007-05-17 Step-down controller delivers very low duty cycles
Linear Technology Corp. claims that its LTC3810 high input voltage synchronous step-down switching regulator controller can directly step down voltages from 100V to output voltages ranging from 0.8V to 93 percent of Vin.
2016-03-22 ROHM's new DC/DC converter features minimum ON-Time
The new synchronous buck DC/DC Converter IC from ROHM provides provide direct 3-5V output from 48V for driving control blocks and operates at high frequency (>2MHz).
2007-02-06 Regulators offer flexibility for DC/DC designs
The six new regulators from National feature a unique combination of high performance, flexibility and ease-of-use for DC/DC power supply designs.
2007-11-19 Regulators debut with self-synchronization
National Semiconductor Corp. has introduced a line of buck switching regulators that are said to be the first in the industry to feature high power density and self-synchronization.
2004-10-04 Regulators combine optimal performance, small package
National released a family of switching buck regulators that combine small-outline packaging with one of the industry's best performance for the highest power density.
2015-04-10 Regulating multiple loops in power supply
While there can be some issues with regulating multiple loops, if you are able to understand the system constraints, you can come up with a strategy to make the power supply behave.
2009-05-08 Reference design for a high-current power supply with lossless current sensing using the MAX5060
This application note shows how to use a MAX5060 current-mode, step-down power-supply controller to implement lossless current sensing for high-current applications. In this design, the series resistance (DCR) of the inductor is used for current sensing to avoid power loss in the current-sense resistor.
2011-11-02 Ref design for LM21305 POL
Read this application note focusing on LM21305, a synchronous buck switching regulator boardmounted module.
2010-02-24 PWM controllers deliver fast transient response
The ISL7884x family from Intersil Corp. are claimed to be the most robust, military temperature, radiation-hardened PWM controllers for flyback and forward topologies.
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