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2009-05-14 SMPS converters ease low-power directive compliance
STMicroelectronics has introduced the VIPerPlus family of off-line switched-mode power supply (SMPS) converters, which minimize standby power consumption and the number of external components required, and enable easy compliance with Blue Angel, Energy Star and other low-power norms and directives.
2007-04-17 Total power solutions target LCD TV SMPS apps
Fairchild announced it is offering the new Stealth II and Hyperfast II diode technology as part of a total power device solution specifically designed to optimize LCD TV SMPS applications
2009-10-20 Rectifiers boast complete SMPS solution
Diodes' high-current rectifiers with an ultralow forward voltage (VF) drop are targeted for power supplies in consumer and industrial ultraslim, end-user products.
2015-12-21 Design concerns when choosing resonant LLC converters
Here is a look at the characteristics of a resonance LLC topology and, in particular, the potential failure mechanism of MOSFET devices during the functionality of the system.
2013-08-20 Dealing with SMPS efficiency, thermal behaviour
Find out how to tackle the efficiency and thermal behaviour of SMPS with SPICE technology
2015-02-03 AVX outs high voltage stacked SMPS capacitors
The RV series capacitors are rated for 1kV-5kV and capacitance values spanning 100pF-15uF, and target applications such as medical, test, power conversion, scanning, and quality analysis equipment.
2000-06-15 Minimize power losses of lightly loaded flyback converters with the L5991 PWM controller
This application note deals with the L5991, a PWM controller that is particularly suitable for SMPS and is optimized for flyback topology to reduce power losses. It describes the operation of the device's "Standby function" in detail and states several relationships useful for the design
2008-06-30 Low-cost, green-mode PWM controller for flyback converters
The SG6860 controller is a highly integrated PWM controller that is designed to meet the low standby-power needs of 1ow-power SMPS. The proprietary green-mode function provides off-time modulation to linearly decrease switching frequency under light-load conditions
2008-07-01 Integrate SMPS control in LED applications
Solid state lighting with LEDs can offer a combination of flexibility and efficiency unmatched by conventional lighting. It is quickly becoming one of the most exciting fields in electromechanical engineering and design. LED driver applications require buck converters because LEDs are current mode devices
2002-04-16 Average simulations of flyback converters with SPICE3
This application note discusses how SPICE simulators are beneficial in investigating power supply systems.
2008-04-29 Ripple and noise measurements with DC/DC switch-mode power supplies
This application note will summarize the set-up, methodology and practical measurement guidelines to accurately measure input and output voltage ripple (or switching noise) in all SMPS DC/DC topologies, as well as charge pump (switched capacitor) regulators
2013-01-31 Rectifiers from IR promise to ease design, cut cost
The IR1169 SmartRectifier ICs are geared for flyback, forward and half-bridge converters used in AC-DC adapter, PC, server and telecom SMPS applications.
2011-04-27 Miniature capacitors boast high CV values
AVX Corp expands its switch mode power supply (SMPS) capacitors series, TurboCap, to include miniature versions that feature double-stacked construction
2005-03-17 Driver IC offers improved efficiency
ON Semi's N-Channel MOSFET driver promises to deliver improved efficiency when implemented in forward converters most commonly found in ATX and high-power SMPS.
2008-01-11 Controller has I/O protection, PFC interface, adaptive UVLO
STMicroelectronics has released a flexible and cost-saving controller for high-performance flyback power converters, designed to operate in either fixed-frequency or quasi-resonant modes
2011-03-21 AVX capacitors tout BME technology
AVX Corp.'s new TurboCap capacitors offer a voltage range of 50V to 100V with capacitance value up to 220?F.
2009-07-07 An efficiency primer for switch-mode, DC-DC converter power supplies
This application note discusses the techniques for calculating and predicting efficiency losses in each component of an SMPS
2003-06-20 Off-Line Power Supply Using The FARM AC Front-End Module
This application note discusses how an autoranging, high density, low profile switching power supply can be constructed using Vicor's dc/dc converters and ac front-end module
2006-03-23 100V MOSFET reduces part count in SMPSs by 30%
Infineon's new family of 100V MOSFET devices promise to reduce part count in switched mode power supplies by 30 percent, and reduce losses of up to 20 percent.
2009-12-09 SR controller promises high accuracy, reliability
International Rectifier has launched the IR11672A SmartRectifier IC with advanced Minimum On Time protection circuitry for energy-efficient AC/DC power converters
2008-07-07 Radiation-hardened MOSFETs simplify design
International Rectifier has expanded its portfolio of RAD-Hard Logic Level gate drive MOSFETs with the introduction of 60V, 100V and 250V MOSFETs for switch mode power supplies (SMPS), satellite power distribution systems and resonant power converters in high-reliability applications.
2005-03-11 ON Semi's latest PFC controllers
The two new PFC controllers from ON Semi are suitable for PFC in power supplies in televisions, flat-screen monitors, and PC desktop and notebook adapter SMPS
2006-07-18 IR's new MOSFETs improve synchronous rectification
IR said its new range of 60V and 75V HEXFET MOSFETs promise superior synchronous rectification performance through improved RDS(on) in AC/DC SMPS applications
2002-07-30 Datatronic shielded inductors suit power apps
The DR340-X series of shielded, surface-mount inductors features a profile ranging from 3.4mm to 8mm, and is suited for use in dc/dc converters and SMPS.
2008-02-21 A 160W CRT TV power supply using NCP1337
ON Semiconductor NCP1337 is a valley switching controller, which eases the design of an EMI-friendly TV power supply with only a few surrounding components.
2011-08-22 Understanding power issues in SDI products (Part 2)
Here's the second instalment of this two-part series. It discusses the various ways of meeting the power requirements of SDI video components.
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.
2002-01-04 TI dual MOSFET gate drivers provide more current
The UCC37323/4/5 series enhanced, industry-standard footprint dual MOSFET gate driver ICs feature higher current and improved noise immunity and are drop-in replacements for popular MOSFET driver ICs.
2008-05-28 STMicroelectronics enhances VIPer family for smaller power supplies
STMicroelectronics has introduced the VIPer17 off-line switched-mode converter, which integrates an 800V avalanche-rugged MOSFET as well as numerous features to save external components and ensure efficient operation during standby mode.
2008-07-22 Schottky diodes achieve maximum junction temp
Vishay Intertechnology Inc. introduces two new Gen. 5.0 high-performance 45V Schottky diodes that, according to the company, are the industry's first such devices to offer maximum junction temperature to +175C.
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