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2000-12-07 Universal input voltage range power supply for high resolution monitors with multi-sync capability
This application note describes an easy-to-build, high-performance, low-cost 100W flyback power supply that is capable of working in any mains supply from 85Vac to 265Vac (40Hz to 100Hz).
2002-05-15 Power Integrations upgrades power supply design software
Power Integrations Inc. has announced the release of PI Expert v4.0 power supply design tool that supports designs from 3W to >200W and provides faster execution speeds, as well as an improved GUI
2014-08-12 Low cost flyback power supply design
This application note discusses designing an integrated and low-cost power supply for the most commonly used inverter application that runs from 12-V battery
2008-06-30 Flyback power supply control with the SG6741
This application note describes a design strategy for a high efficiency. compact flyback converter. Design considerations, mathematical equations, and guidelines for a PCB layout are presented
2002-10-15 Fairchild switch fits flyback power supply apps
The FS8S0765RC off-line power switch integrates an avalanche-rated SenseFET for use in CRT monitor flyback power supplies
2008-06-30 Applying SG6203 to control a synchronous rectifier of a flyback power supply.
This application note describes a detailed design strategy for a high-efficiency compact flyback converter. Design considerations and mathematical equations are presented. A 12V, 120W evaluation board is built to evaluate the performance improvement by the SG6203 synchronous rectifier controller for flyback converter
2008-06-30 Applying SG5841 to control a flyback power supply
Fairchild Semiconductor Corp.'s application note 5841 describes a detailed design strategy for a high-efficiency, compact flyback converter using the SG5841 PWM controller IC. Design considerations, mathematical equations, and guidelines for a PCB layout are provided
2006-01-06 XP Power unveils 'most compact' AC/DC switching power supply
The ECM100 single-output AC/DC switching power supply from XP Power is touted to be the world's most compact unit of its type. This device features a 4.5-by-2.5-inch footprint and 1.2-inch height
2016-05-12 Wake up PSR flyback converters
Read about a technique for primary-side regulated flyback converters that speeds up the transient response and reduces the amount of output capacitance that the design requires for good transient response
2000-12-06 Very wide input voltage range, off-line flyback switching power supply
This application note reviews one method of enabling a discontinuous-mode flyback converter to operate beyond its traditional range of input voltage of 3:1 to a range of more than 6.6:1 without affecting the reliability of its operation
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
2008-11-03 Trimming standby power supply consumption
Consumer electronics and home appliances, and in general all electronic equipment, play a key role in the reduction of the energy consumption. This requires a continuous technological improvement of all electronics products. New advanced solutions must be continuously and rapidly developed with high quality, efficiency and respect for the environment.
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
2015-03-10 TI delivers zero standby power controller chipset
The UCC28730 and UCC24650 chipset supports 5V to 24V output voltages and helps designers create smaller, more efficient power supplies for TVs, home appliances, AC adapters, HVAC and more
2005-10-14 ST's new Hybrid BJT/MOSFETs deliver speed and power
Touting a breakthrough in high-voltage, high-switching applications, STMicroelectronics' new hybrid emitter-switched bipolar transistors (EBST), particularly suited to industrial three-phase auxiliary power supplies and single-ended primary inductance converters (SEPIC), boasts the industry's best combination of low forward voltage drop, high blocking voltage, and fast switching speed
2008-08-01 Scrutinizing power-supply stability in a multiloop system
Analyzing a power system's stability begins with a look at the open-loop Bode plot of a buck or flyback converter's power stage. From this plot, the designer extracts phase and gain data for the frequency range of interest
2010-02-19 Resonant converter packs power factor correction
From NXP Semiconductors comes the GreenChip TEA1713 resonant half-bridge converter claimed to be the first resonant controller with integrated power factor correction
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
2009-03-02 Ref design fuses LCD power supply, inverter
ON Semiconductor has announced the availability of its latest GreenPoint open reference design for LCD TV power supplies
2006-02-28 Rectifier chip boosts power conversion efficiency
System General released the SG6203 power IC product, a secondary synchronous rectifier control chip suitable for general low-voltage high-current flyback power converters
2007-02-05 PWM controller simplifies flyback power supplies
Linear Technology has introduced the LTC3805, a current mode, programmable frequency PWM controller that reduces the size and complexity of flyback power supplies
2009-11-30 PWM controller boasts power, space savings
Texas Instruments Inc. is offering an off-line green mode pulse-width modulation (PWM) controller that minimizes space and system cost while providing high efficiency in power supply applications
2007-03-02 Printer power supply design cuts power draw
ON Semiconductor's latest GreenPoint reference design for 40W power supplies used in desktop printers provide active-mode energy efficiency above 83 percent
2014-04-30 Power tip: Weighted feedback in multiple-output supplies
Here's a look at weighting the feedback divider in multi-output switching power supplies
2012-09-03 Power tip: Understand capacitor parasitics
Be aware of the capacitors' parasitic components.
2014-09-01 Power tip: Selecting rectifiers for flybacks
The choice of rectifiers is crucial to the design of a flyback as they influence cross regulation over load and temperature, efficiency, and transformer design
2012-06-14 Power tip: Manage conducted common-mode emissions in isolated switcher (Part 1
Know the danger these difficult-to-control emissions can cause, and how to minimize them.
2012-10-09 Power tip: Improving cellphone charger design
Know how to transform the lowly cellphone charger from a clunky wall wart to a device not much larger than a wall plug.
2014-09-05 Power tip: How to get more power from a flyback
Interleaving a flyback allows you to save cost by using fewer parts or to reduce the ripple voltage of the power supply. Plus, it raises the effective switching frequency of the power supply.
2015-03-12 Power tip: How to compensate isolated power supplies
The effects of component values in a TL431 feedback network are not obvious, but if you understand the basic equations behind the transfer functions, you can easily compensate an isolated power supply
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