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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
2000-12-07 Critical conduction mode, flyback switching power supply using the MC33364
This application note presents a way of designing an ac/dc flyback converter that is operating in the critical conduction current mode, using the MC33364
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
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
2000-12-08 How to keep a flyback switch mode supply stable with a critical-mode controller
This application note explains why the vast majority of low-power flyback SMPS (off-line cellular battery chargers, VCRs, etc.) operate in the discontinuous area and presents an integrated solution especially dedicated to SMPS
2000-06-15 A 25W Off-Line Flyback Switching Regulator
This application note describes a low-cost switching power supply for applications requiring multiple output voltages. The discontinuous mode flyback regulator used in this application provides good voltage tracking between outputs, which allow the use of primary side voltage sensing.
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
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.
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
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
2012-09-03 Power tip: Understand capacitor parasitics
Be aware of the capacitors' parasitic components.
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.
2007-10-11 Power supply controller enables energy-efficient designs
Cambridge Semiconductor has unveiled a mixed-signal controller IC for switched-mode power supplies that it expects will help companies produce much more energy-efficient equipment
2004-11-30 Power Integrations offers replacement for regulated linear transformer
Power Integrations has developed a product family that enables cost-effective switching power supplies for low power apps requiring tight output regulation
2004-03-29 Power Integrations expands dc-dc chip line for PoE apps
The IEEE approved the 802.3af standard for power over standard Ethernet cables in June last year
2011-06-15 Power IC allows low cost, small size LED driver
Exclara has released the Exclara HVX family that enables low cost, small size LED driver solutions while improving efficiency, power factor and quality
2006-05-22 MOSFETs designed for switching converter apps
International Rectifier introduced new negative-channel 60, 80 and 100V HEXFET MOSFETs for switching converter applications used in networking and communications systems
2004-08-13 Maxim PWM power IC includes power MOSFETs
The MAX5074 pulse-width-modulation power IC from Maxim Integrated Products comes with integrated power MOSFETs
2011-03-23 LM3444-230VAC, 8W isolated flyback LED driver
This demonstration board highlights the performance of a LM3444 based flyback LED driver solution that can be used to power a single LED string
2011-03-21 LM3444-120VAC, 8W isolated flyback LED driver
This demonstration board highlights the performance of a LM3444 based flyback LED driver solution that can be used to power a single LED string
2015-04-13 High-voltage IC technology for bias supply design
Here's a look at some of the key requirements and challenges in designing off-line, non-isolated bias supplies, and how high-voltage IC technology can help simplify such designs.
2000-12-08 Handling EMI in switch mode power supply design
This application note describes the nature and sources of EMI noise, and the design techniques used to reduce their shortcomings.
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
2006-01-13 Flyback controller needs no optoisolator
Linear Technology introduced a synchronous flyback DC/DC controller with precision regulation and high efficiency for 10W to 60W or up to 12A output isolated power supplies
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
1999-02-01 Deriving dual-power output power supplies
Dual-output supplies usually require the use of a custom transformer and several switching regulators. One can reduce the associated cost and space, by simply combining the popular converter topologies to derive multiple outputs
2012-01-20 Demo board for LM3448 based flyback LED driver
Read about a demo board that looks into the performance of LM3448 based flyback LED driver solution
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