LM317T Voltage Regulator with Pass Transistor

Fixed or adjustable 3 terminal linear voltage regulators design cinsiderations.



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How to calculate the total power consumed in your design. Highlights Silicon Labs C8051F9xx family of ultra low power mixed signal MCUs. Highly-pipelined 8051 microcontroller core that is the fastest and lowest-power in the industry www.silabs.com Highest level of analog peripheral integration and lowest power microcontroller across all operating modes www.silabs.com Lowest power single-chip MCU with an integrated sub-GHz RF transceiver www.silabs.com 8-bit 8051 MCU core with the highest precision analog peripherals, making them ideal for analog and computation intensive applications www.silabs.com Capacitive touch sense MCUs enable implementation of sophisticated and responsive touch interfaces www.silabs.com Automotive and Industrial Microcontrollers with best-in-class analog peripherals and digital signal processing in ultra-small packages www.silabs.com C8051F9xx ultra-low power 8 bit microcontroller has the industry's lowest active mode current consumption, lowest current consumption in sleep modes and fastest wake-up and analog settling time.



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www.microchip.com This reference design provides an easy method to evaluate the power, and features of SMPS dsPIC® Digital Signal Controllers for high wattage AC - DC conversion application. Discover the many benefits of digital power control implementation in this reference design. The SMPS AC - DC Reference Design unit works with universal input voltage range, and produces multiple DC outputs. The design is based on a modular structure, which features three major power stages; the input stage, intermediate stage and the third stage, a Point of Load. The input stage is a PFC Boost Converter, the intermediate stage is a Phase-Shifted Zero Voltage Transition (ZVT) Converter, which includes ZVT Full Bridge Converter and Synchronous Rectification, and the third stage is Single-phase and Multi-phase Buck Converters. This reference design uses two dsPIC33F16GS504 devices; one used for the PFC Boost Converter and ZVT Full Bridge Converter, while the other dsPIC® DSC is used for Single-phase and Multi-phase Buck Converters.



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PART 2 is HERE: www.youtube.com Dave shows you how to design a simple constant current and constant voltage lab power supply that can be either software (PIC/AVR et.al microcontroller) or traditional pot controlled. Starting with the venerable LM317, and ending up with an LT3080 solution, and the some thought processes that go into it all. Part 1 is the conceptual design of this Open Hardware design.



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A variety of clips we put together of the first BIG www.RcSuperhero.com aircraft All designs are copyrighted. to get the $19.95 PDF plans go to www.RcSuperhero.com



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DC Power supply 5 Volt regulated, bridge rectifier used with voltage regulator for fixed voltage DC output



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www.onsemi.com Learn about the different solutions available for driving LEDs in landscape and MR-16 end applications. Understand the operation of a buck-boost topology and key design considerations in these designs. Watch a demonstration showing a practical execution of an MR-16 end application reference design. See the benefits of using ON Semiconductor products for driving LED applications.



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Farnell is the leading multi-channel, high service distributor of electronic components, electrical parts, industrial and maintenance, repair & operations (MRO) products, supporting millions of engineers and purchasing professionals throughout Europe and Asia. Founded in 1939, Farnell now employ over 1200 people in more than 20 countries around the world and trade in over 100. With over 480000 products in stock from over 3500 manufacturers and a further 700 products added online every week, our product portfolio continues to expand, offering our customers the very latest technologies. Farnell supply a comprehensive range of electronics, electrical components and electrical parts offering our customers the latest technologies. With a wide range of ordering options available to customers we aim to fulfil every customers needs. Ordering is available via a paper or electronic catalogue, web, eMail, phone, fax or post. Our role is to make it as easy as possible for you to do business with us. We have 6 electronic components distribution centres worldwide including UK, Belgium, Singapore, Hong Kong, Shanghai and Australia. With flexible ordering and fast same day despatch plus a comprehensive range of value-added support services, Farnell aims to be one of the easiest and most approachable electronic components and electrical parts distributors to deal with. With access to over 800 leading brands, including Vishay, Tyco Electronics lighting, Molex, Microchip, National ...



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There is an alternative solution when deciding between a step-down switching regulator and a linear regulator. Switching regulators dissipate less heat than linear regulators especially when the input voltage is much higher than the output voltage or the output load current is relative high. On the other hand, linear regulators are very simple and dont require inductors. What if there was a switching regulator circuit could be simplified and fitted inside a surface mount package and the complete solution became as simple as a regulators circuit?



http://www.youtube.com/watch?v=mKcHFv9u2Fs&hl=en

with Eddie Beville, Design Manager - DC/DC uModule Regulators video.linear.com There is an alternative solution when deciding between a step-down switching regulator and a linear regulator. Switching regulators dissipate less heat than linear regulators especially when the input voltage is much higher than the output voltage or the output load current is relative high. On the other hand, linear regulators are very simple and dont require inductors. What if there was a switching regulator circuit could be simplified and fitted inside a surface mount package and the complete solution became as simple as a regulators circuit? No inductors, no MOSFETs, no difficult calculations for compensation circuitry. On paper, it is a simple square box with a few resistors and capacitors. On a PCB, it is also a simple square box with a few resistors and capacitors.



http://www.youtube.com/watch?v=gowQTUXGWwc&hl=en

There is an alternative solution when deciding between a step-down switching regulator and a linear regulator. Switching regulators dissipate less heat than linear regulators especially when the input voltage is much higher than the output voltage or the output load current is relative high. On the other hand, linear regulators are very simple and dont require inductors. What if there was a switching regulator circuit could be simplified and fitted inside a surface mount package and the complete solution became as simple as a regulators circuit?



http://www.youtube.com/watch?v=MxjAAIcI45M&hl=en