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2001-04-04 Switched-mode drives for dc motors
This application note demonstrates the use of integrated switched-mode controllers, generally used for DC power conversion, as the primary control and excitation element in practical PWM drives for DC motors
2001-04-04 NE5560 push-pull regulator application
This application note describes how to use Philips Semiconductors' NE5560/SE5560 devices as a push-pull switched-mode regulator.
2009-06-05 PCB layout guidelines for MPC5674x switch mode power supply (SMPS
The MPC5674F device provides an internal SMPS regulator that may be used to provide the VDD voltage, eliminating the external VDD supply. To ensure that the switched regulator operates as designed, the designer should select the appropriate components and design the PCB following some simple rules
2001-04-04 An overview of switched-mode power supplies
This application note discusses the operation, general parameters and circuit design of switched-mode power supplies (SMPS
2011-03-28 Voltage regulator fits into compact LIN tranceiver
The TJA1028 LIN transceiver family released by NXP features integrated low-drop voltage regulator in a very small 3x3mm leadless package
2008-06-04 Regulator has switched output, load-dump protection
Maxim Integrated Products has introduced the MAX15009/MAX15011 highly integrated, 300mA automotive linear regulators with a switched output and load-dump protection
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
2009-04-03 LDO regulator equipped with power save mode
Torex Semiconductor Ltd has released the XC6220 series of 1A output high-speed CMOS LDO regulator
2006-07-06 Buck regulator offers four output-voltage options
Semtech's SC194A 1A DC/DC buck regulator provides a digitally programmable 1-1.8V output for portable apps
2004-08-05 Atmel voltage regulator IC consumes low power
The ATA6405 from Atmel is a voltage regulator system IC that is based on a fully integrated system voltage supply concept and consumes extremely low power
2010-09-06 1.8A dual POL regulator comes in a small MLPQ package
Semtech Corp. launched the SC283, which the maker says is currently the smallest 1.8A dual-channel regulator for point-of-load (POL) applications. The device incorporates two step-down regulators in an ultra-small, low-profile 2mm x 3mm x 0.8mm, 18-pad MLPQ package, also with integrated VID pins
2000-06-15 Topologies for Switched Mode Power Supplies
This application note presents an overview of the most important dc/dc converter topologies, which are divided into two parts based on whether or not they have galvanic isolation between the input supply and the output circuitry: the non-isolated switching regulators and the isolated converters.
2015-02-12 Verilog-AMS vs SPICE view for power management
Verilog-AMS is a behavioural abstraction of the circuit that sacrifices accuracy for the sake of run time, while SPICE does exactly the opposite. Here's a comparative analysis from a power management perspective.
2006-12-11 Programmable 1A DC/DC offers four output options
Semtech's SC194B is a 1A DC/DC buck regulator that can be programmed to deliver 2.5-, 3-, 3.3- or 3.6V
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
2013-10-25 Power mgmt architecture with internal regulation
Learn about the viable solutions and alternatives to prevent performance problems in ICs.
2002-09-06 Linear Tech IC regulates power supplies
The LT1940 step-down switching regulator operates from an input of 3.6V to 25V, enabling it to regulate power sources such as four-cell and lead-acid batteries
2005-11-01 Constant current output produces best pictures from your phone
Current-controlled charge pump enables a suitable drive source for flash LEDs in camera phones.
2002-02-22 Zetex dc/dc converter IC provides 3.3V regulated output
The ZXCP330 switch-capacitor dc/dc converter transforms a 2V to 4.4V input into a regulated 3.3V output with a maximum load current of 40mA, making it suitable for Li-ion and alkaline battery backup supplies, smart card readers, and PDAs.
2014-11-26 Triac triggering: Positive, negative supply basics
This article tackles the basics of positive and negative supplies in relation to triac triggering compliance. It will explore the impact of supply topology on output polarity.
2006-07-01 Shrinking portable power management
Today's portable electronics encompasses advanced multimedia functions, such as MP3 players, multimegapixel cameras and video-on-demand functionality.
2003-11-05 Pulse power inductors rated at 19A
Pulse, a Technitrol company, has introduced 11 models of its PG0083 series of low-profile SMT power inductors that are designed for high-density, high-power circuits that typically run at high temperatures.
2007-06-01 XA offers better simulation accuracy
Promising a new approach to fast Spice simulation, Synopsys Inc. introduced Discovery AMS 2007, a group of solutions that includes the XA simulation technology option for the NanoSim and HSim fast SPICE simulators.
2006-03-31 White LED drivers feature dual-gain architecture
National Semiconductor introduced three new inductorless white LED drivers for display backlighting in cellphones, PDAs, portable gaming devices and MP3 media players.
2008-02-18 Take a holistic approach to power management for mobile devices
Power management no longer remains a hardware-only problem; rather it has become a system problem that is being addressed by all engineers involved in the system design process. Power management decisions are being taken at both hardware and software level. Increasing focus towards system aspects of cellular phones compels designers to take a holistic and dynamic approach to power management to effectively decrease power consumption without degrading performance.
2007-07-03 Power supply IC saves space in car navigation systems
Renesas Technology Corp. launches the R2S25402FT single-chip power supply control IC for car navigation systems that promises to cut board space by up to 20 percent.
2007-10-24 Power managers for OLEDs offer 90% efficiency
National Semiconductor Corp. has added three new power management products for driving LEDs and OLED displays to its PowerWise energy-efficient product family.
2009-03-19 Power management for optimal design
This article describes a holistic approach for managing and optimizing the power in a design. Effective power management involves proper understanding the application of a chip, technology selection, design techniques and methodology.
2009-08-05 PMICs are application-independent
Wolfson Microelectronics has released the WM83xx power management IC (PMIC) line consisting of three devices that are processor-agnostic and application independent.
2003-12-02 NSC hot-swap controller saves board area
National Semiconductor Corp. (NSC) has unveiled a -48V hot swap controller that delivers board area savings and long-term system reliability for comms systems.
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