Power Supply Circuits -- Guide (2008) -- Contents and Intro

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CONTENTS

Power Supply Circuits

  1. High Current Regulated 5V
  2. Voltage Monitor
  3. 6V to 12V Converter
  4. 5V/3A Power Source
  5. Symmetrical Power Supply
  6. Regulated Power Supply
  7. Single Chip Power Supply
  8. Simple Switching Supply
  9. Compact Symmetrical PS
  10. Remote Sensing Regulator
  11. Current Monitored Supply
  12. Voltage Doubler
  13. Power Supply Regulator
  14. Variable Power Supply
  15. Stable Power Supply
  16. Stable Zener Voltage
  17. 3-Watt Amp Power Supply
  18. Standby Supply
  19. DC Regulator
  20. Symmetrical Aux PS
  21. 0.1V - 50V Power Supply
  22. DC to DC Converter
  23. 3-Ampere Power Supply
  24. 0-50V/0-2-A Power Supply
  25. Supply for Opamps
  26. PS w/ Dissipation Limiter
  27. 5-A Delayed Power On
  28. TTL Power Supply Monitor
  29. 6V to 12V Converter
  30. Versatile Power Supply
  31. Robust 5V Supply
  32. Voltage Converter
  33. Fuse Monitor
  34. Low Drop Regulator
  35. Amplified Regulator
  36. 78XX Regulator Monitor
  37. Automatic Emergency Lamp
  38. Overvoltage Crowbar
  39. Constant Current
  40. DC Motor Speed Regulator
  41. Symmetrical Power Supply
  42. 2N3055 Darlingtons
  43. Voltage Monitor
  44. Temperature Sensor
  45. Polarity Inverter
  46. Electronic Fuse
  47. Heatsink Monitor
  48. Computer Controlled Power Regulation
  49. Current Alarm
  50. Battery Line Breaker

APPENDICES

  • Electrical Specifications of the transistors used in the projects
  • Diode Specifications
  • Zener Diode Specifications
  • Power FETs
  • Package Information of FETs
  • Small Signal FETs
  • Three Terminal Voltage Regulators
  • Package Information of 3-Terminal Voltage Regulators
  • Suggested books for further reading
  • Printed Circuit Board Layouts

Disclaimer


This guide is based on the above 2008 book.

The electronic circuits, software or related documentation in this book are NOT designed nor intended for use (whether free or sold) as on-line control equipment in hazardous environments requiring fail-safe performance, such as, but not limited to, in the operation of nuclear facilities, aircraft navigation or communication systems, air traffic control, direct life support machines or weapons systems in which the failure of the hardware or software could lead directly to death, personal injury, or severe physical or environmental damage ("high risk activities") The author(s) and publisher(s) take no responsibility for damages or injuries of any kind that may arise from the use or misuse of the electronic circuits and / or software in this collection.

The author(s) and publisher(s) specifically disclaim any express or implied warranty or fitness for high risk activities. The electronic circuits, software and related documentation are without warranty of any kind. The author(s) and publisher(s) expressly disclaim all other warranties, express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Under no circumstances shall the author(s) and publisher(s) be liable for any incidental, special or consequential damages that result from the use or inability to use the circuits and software or related documentation, even if he has been advised of the possibility of such damages.


Introduction

This guide contains 50 practical electronic circuits for power supply applications. It contains circuits designed as voltage regulators, limiters, current sources, monitors, converters, inverters, and some auxiliary circuits commonly used in power supply devices.

You can combine several circuits into one large module to create a powerful electronic device specially designed for your exclusive project. Most circuits are in the voltage regulator category while some are auxiliary that can enhance or protect the power supply circuits.

The transistors used in the circuits have more than one possible equivalents. The pin designations are also shown in details. This feature can help avoid unnecessary delays.

The pins shown are either in the bottom view or front view of the transistor unless otherwise noted. Large transistors which cannot or not planned to be installed directly on the PCB must be installed on a heatsink. A dashed circle around a transistor means that the transistor must be heatsinked.


-----


----- Bottom view Bottom view; Front view


----- The capacitor values are given in microfarad unless otherwise specified. Electrolytic or polarized capacitors are marked with a plus sign in the diagram. This plus sign corresponds to the capacitor's positive polarity in the circuit. Additionally, their voltage ratings are also given. Nonpolar capacitors are ceramic types and rated with 50 volts.

The resistor values are given in ohms (Omega), rated 1/4 watts and are of carbon film type unless otherwise specified.

The appendix pages at the end of the guide contain data on semiconductor equivalents including transistors, diodes, zener diodes, FET and other multi-junction semiconductors.

Two pages of illustrated semiconductor pin designations and layouts are also available as appendix.

The printed circuit board layouts are also printed for the second time at the end of the guide. These pages can be cut out for convenience in copying or transferring the layout on the actual pcb board.






Preface

Congratulations for having the first volume of ready-to-apply power supply circuits collection. With this sourcebook, you got the advantage of being able to design and assemble electronic power supply modules fast and worry free. It is a sure way to optimize satisfaction in your hobby. If you are a professional electronic designer, it will help you beat the competition. Speed, efficiency, short development periods, error-free, user and maintenance friendly: these are the factors critical for success. This invaluable guide filled with 50 practical ideas will help you beat project deadlines. Make your ideas work! Make your creativity pay!

JUST IN TIME!

Informative ... practical ... professional ... versatile ...


Also see: Design & Operation of Regulated Power Supplies (1970)

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