Index of /Power Electronics/Power Supplies-Switching
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03/06/2014
Still online, we are. The code for this website is getting old, but still works well as far as I've seen. I may update it with new code and new features eventually, one day when I have both free time and focus. Until then, the content is still useful, I'm keeping it online. Comments and donations are welcome, but include your email address if you want a reply.


09/04/2010
Ideas for the future of the site -
Here are some ideas I've been brainstorming. I don't think to much of the site should change, because it has been successful all these years with very little change. still nearly 1000 visitors a day to the site!
  • donations - I think it might be time to make some changes to the donations. I would rather see people get a lifetime membership and not have to worry about an expire date. here's an idea, a smaller recurring payment monthly, or 4 times a year, then maybe offer a second option, donate enough to cover the cost of the server for one month and you'll get a lifetime membership that never expires.
  • automated account creation - the membership process should be automated. I rarely hear a complaint about anything, but I don't think people feel so safe emailing me a username and password to set up an account. I think people may feel more safe dealing with an automated system. make a donation, then type your account into right in to the computer and have it set up on the spot.
  • members only forum - the site doesn't seem to need a full forum, but it could still benefit from a single simple board or mailing list, maybe. still optional, but maybe only available to members. non-members wouldn't be able to post on or see the forum. for those who donate to openly communicate.
You can send me your comments in the form above. I'm not putting any work into these changes without getting feedback from you!
If we have any web developers out there, we'd love your help! come on, my birthday's tomorrow!


12/20/2009
Better forum? -
We are currently using vbulletin, but maybe there's a simpler alternative that would better fit the site. What do you think of this one? http://schematicforums.com/seo/ Please let us know what you think, keep vBulletin, or switch to SEO. Comment box is below.


09/29/2009
ideas or comments?
please send us your comments or suggestions or any ideas you might have for the site. this is the easiest way for you to let us know what you think. just type in the box above and send.

Thank you, everyone who has helped support the site over the years. you've done your part, now help me do my part to improve the site with your input.




11/25/2009
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05/07/2008
new server -
this week, we've moved the website to a bigger faster server. we have doubled the weekly download limit to 20mb and are now allowing hot-linking, so more people can get the documents they're looking for. this new server is still relatively low cost, but is a bit more to pay for each month then the last server. we still need your donations to help with this. thank you all who have supported the site and community!!!


01/24/2008
upload files - upload.schematicsforfree.com If you have files you'd like to add to the site, we'd love to add them. Please don't upload anything illegal, harmful, or copyrighted. We will do our best to screen the files and put them online.


<-- Old News -->


[To Parent Directory]

Folders
 12V 500W_SMPS with IR2085 for PST
 200 Watt Modified PC Power Supply 13_5 Volt 14 Amp_files
 200W ATX PC POWER SUPPLY_files
 Design of switch power supplies_files
 EDN Access--03_14_97 Spreadsheet simplifies switch-mode power-supply flyback-transformer design_files
 Power Supply Instability_files


Last Accessed Size  File
01-19-18 5612079  12V ATX Power supply.xps
01-08-18 706599  13.8 V - 15 A from a PC Power Supply.xps
01-15-18 259213  150 Watt Switch Mode Regulator.pdf
01-18-18 465701  1kwflybacksmpsse2.jpg
12-24-17 396960  20 Watt Simple Switcher Forward Converter.pdf
01-12-18 324752  200 Watt Modified PC Power Supply 13.5 Volt 14 Amp.xps
01-19-18 4344  200 Watt Modified PC Power Supply 13_5 Volt 14 Amp.htm
01-19-18 2360667  200 Watt Modified PC Power Supply 13_5 Volt 14 Amp.xps
01-14-18 40960  200W ATX PC POWER SUPPLY.doc
01-14-18 8304  200W ATX PC POWER SUPPLY.htm
01-19-18 221370  250 W SMPS with Power-FETs.mht
12-29-17 46001  28V Switching Regulator.pdf
01-02-18 51120  300W Atx Power Supply.gif
01-15-18 286658  300W Atx Power Supply.jpg
01-03-18 3236754  50W Forward Converter With Synchronous Rectification slup120.pdf
01-14-18 2927494  5256755_Schematic.bmp
01-15-18 241429  5256755_Schematic.jpg
01-18-18 3492  555_PWM.gif
01-15-18 42756  5V 3A Regulated Power Supply.pdf
01-20-18 25552  Ab-8 Selection Of Mosfets In Switch Mode Dc-Dc Converters.pdf
12-07-17 32490  Ab-9 Suppressing Mosfet Gate Ringing In Converters - Selection Of A Gate_Resistor.pdf
12-26-17 280017  Add an Auxiliary Voltage to a Buck Regulator.pdf
01-14-18 498292  All About Switching Power Supplies.pdf
01-18-18 714884  An ATX or AT, 12 - 24 volt PC Power supply.xps
01-02-18 240764  An SCR Pre-Regulated Power Supply.pdf
01-19-18 238662  An-4003 Pc Power Supply Design With Ka3511.pdf
01-04-18 141112  An-56 Total Power Conversion Solution For Pentium Ii Motherboards.pdf
12-25-17 90201  Automotive Protection Circuit.pdf
01-02-18 1808524  Boost Effieicncy in Flyback Converters.pdf
01-12-18 81709  Boosting Supply Voltage To Program Eeproms.pdf
01-19-18 536675  Buck-Boost Converters Change With the Times.pdf
12-26-17 105424  Calculate Dissipation for MOSFETs in High-Power Supplies.pdf
12-16-17 1205866  Cb Power Supply Trouble Guide P14.pdf
01-19-18 205823  Circuit for long PWM soft starts.pdf
12-17-17 4523578  Compact 5V High Current Switching Power Supply.pdf
12-08-17 63476  Conditioning a Switch-Mode Power Supply.pdf
12-28-17 165293  Controlling Dc Power With Pulse Width Modulation.pdf
01-16-18 114881  Converter in Feedback Loop Improves Voltage Regulation.pdf
12-22-17 104443  Current Mirror to Improve PWM regulator performance.pdf
12-25-17 134505  DC-DC converter that starts at 250mV.pdf
01-01-18 96250  Derive 3.3V and 5V supplies from USB Ports.pdf
01-09-18 174955  Design of Switch Mode Power Supplies.xps
01-05-18 70144  Design of switch mode power supplies.doc
01-12-18 13863  Design of switch power supplies.htm
01-19-18 251653  Designing Step Down Regulators with over 40V Input.pdf
01-18-18 417993  Designing Switching Voltage Regulators With the TL494 (Rev. D).pdf
12-24-17 1036141  Designing a 50W Forward Converter Transformer.pdf
01-20-18 207716  Driving Power MOSFETs in High-Current, Switch Mode Regulators.pdf
01-17-18 365830  Dynamic siphon steals current from USB port - Maxim.mht
01-17-18 30090  EDN Access--03_14_97 Spreadsheet simplifies switch-mode power-supply flyback-transformer design.htm
01-18-18 94244  Efficient Ac-Dc Conversion.pdf
01-06-18 500970  Feedback Techniques for Crossing the Isolation Boundary.pdf
01-18-18 622328  Flyback Converter Power Supply Theory.pdf
12-19-17 158982  Get the Right Power Supply.pdf
01-11-18 41616  Half-Bridge Push-Pull Converter Designer.mht
01-19-18 235621  High Efficiency 200W SMPS.pdf
12-21-17 302523  Highly Integrated Solution for AC Adapters - Part 2.pdf
01-01-18 257993  Improving SMPS Transient Response.pdf
12-13-17 81442  Improving The Regulation Of The 7660 Polarity Converter.pdf
01-19-18 1215346  Inside Switching Power Supplies.pdf
01-08-18 37913  Inverter_-_Inverter_for_Gas_Discharge_Lamps.pdf
01-17-18 651603  Isolated 50 Watt Flyback Converter SLUU096.pdf
01-04-18 33116  LM3578AN Typical SMPS application.pdf
01-18-18 175572  Limit dv-dt and Capacitor Inrush At Regulator Turn On.pdf
01-05-18 2557310  Line Operated Regulated 5V 50A Power Supply.pdf
01-08-18 2726168  Low Cost 60 Watt SMPS Power Supply.pdf
01-08-18 684038  MOSFET Shunt Regulator.pdf
01-09-18 186554  Matching MOSFET Drivers to MOSFETs.pdf
01-09-18 10702  Maxim Switcher.gif
01-08-18 43070  Maxim Switcher.jpg
01-04-18 233279  Measuring Heat Sources in Switch Mode Converters.pdf
01-10-18 18432  Microdesign Amp AUX Supply.pdf
01-05-18 17408  Microdesign Amp Pre-Regulator.pdf
01-07-18 34816  Microdesign Amp SMPS.pdf
01-08-18 2073644  Motorola Switchmode Power Supply Design Guide.pdf
01-06-18 302361  Multiphase Converters to Power Processors.pdf
01-20-18 160949  Negative Voltage Power Supply.pdf
01-08-18 72888  Off-Line SMPS Failure Modes PWM Switchers and DC-DC Converters.pdf
01-17-18 43111  On Time Control to Prevent MOSFET Burnout.pdf
01-08-18 86906  PWM Signal Fault Protection.pdf
01-08-18 152794  Paralleling HEXFET Power MOSFETs AN-941.pdf
01-04-18 186024  Peak Related Power supplies.pdf
01-07-18 146398  Power Conversion In Line-Powered Equipment.pdf
01-14-18 353828  Power Inverters and Converters.pdf
12-18-17 727169  Power Management Considerations For Fpgas And Asics.pdf
01-14-18 342212  Power Supply Design 3.3 OUTPUT POWER DENSITY - LOW VOLTAGE.xps
01-19-18 23869  Power Supply Instability.htm
01-07-18 101485  Power Supply Kick Start.pdf
01-02-18 236758  Principles and Applications of the ICL7660 CMOS Voltage Converter.pdf
01-04-18 150838  Push-Pull Voltage Doubler.pdf
01-07-18 28672  RECYCLING OBSOLETE COMPUTER POWER SUPPLIES.doc
01-14-18 8606  RECYCLING OBSOLETE COMPUTER POWER SUPPLIES.mht
01-12-18 101317  RECYCLING OBSOLETE COMPUTER POWER SUPPLIES.xps
01-09-18 45961  Regulated 12V to 200V DC Inverter.pdf
12-05-17 25997  Regulator-Switching-Scr.pdf
01-04-18 7117  Repairing Switching Power Supplies.zip
01-09-18 745922  Resonant Power Supply Suits Audio Systems.pdf
01-07-18 26481  Ripple Eliminator.pdf
01-19-18 577003  SMPS Crossover Frequency Determination.pdf
01-13-18 556959  SMPS Smooth Starting.pdf
01-17-18 204057  SWITCHING POWER SUPPLY DESIGN - LM5030 PUSH-PULL CONVERTER-12V-60W.pdf
01-09-18 179395  Selecting Power Supply ICs.pdf
01-10-18 235689  Sequencing and Shutdown Control in a Regulator.pdf
01-17-18 156209  Software Holds The Key To Switching-Regulator Design.pdf
01-19-18 69607  Step Down a Negative Voltage Without Using An Inductor.pdf
01-19-18 74040  Supply Derives 5 And 3.3V From Usb Port.pdf
01-15-18 563023  Switch Mode Power Supply SMPS Topologies Part 1.mht
01-13-18 824747  Switch Mode Power Supply SMPS Topologies Part 1.pdf
01-16-18 563992  Switch Mode Power Supply SMPS Topologies Part 2.mht
01-17-18 1617521  Switch Mode Power Supply SMPS Topologies Part 2.pdf
12-16-17 126786  Switch Mode Regulator With 555 Timers.pdf
01-17-18 192640  Switched Power Supplies.PDF
12-16-17 73892  Switching Current Source for I2L.pdf
01-15-18 163496  Switching Plugpack.PDF
01-02-18 1487731  Switching Power Supplies.PDF
01-03-18 45232  Switching Pre-Regulator.pdf
01-14-18 595304  Switching Regulator 5V 10A Power Supply.pdf
12-24-17 239285  Switching Regulator Pc Layout Techniques.pdf
01-13-18 774382  Switching Regulators - Misc.pdf
01-13-18 1837418  Switching Regulators De-Mystified.pdf
01-15-18 77024  Switching Supply Ripple Attenuation.pdf
01-07-18 134882  Switching+power+supply+regulator+for+TV.jpg
01-11-18 22393  Switching-Mode Power Supply Design.mht
01-02-18 160907  Switching-Mode Power Supply Design.xps
01-02-18 644146  Switchmode Regulator-150 Watt.pdf
01-08-18 216785  The First PWM Device.pdf
01-10-18 142899  The Flyback Converter Lecture Notes.pdf
12-28-17 418864  Tips On Reducing Capacitor Footprint In Smps Design.pdf
12-05-17 418864  Tips on reducing capacitor footprint in SMPS design.pdf
01-16-18 13864  TopSwitch Flyback Power Supply.mht
11-28-17 68608  Topswitch 160W PS.pdf
12-25-17 68608  Topswitch 160W Ps.pdf
01-09-18 19741  Topswitch SMPS Design Example.mht
01-19-18 164555  Topswitch SWPS.xps
01-12-18 52563  Transient Resistant Voltage Regulator.pdf
12-02-17 20912  Using A Pc Power Supply On The Bench.pdf
01-03-18 17654  Using Leds As Reference Diodes.pdf
01-13-18 20912  Using a PC power supply on the bench.pdf
01-13-18 340007  Validating and characterizing switch-mode power supplies for maximum efficiency.xps
01-20-18 6033  pspbrwse.jbf
01-17-18 4584  smps faults tips.rar
12-25-17 24799  smps transistorised working theory.rar

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