Tag: voltage regulation

zener diodes

What is a zener diode? A zener diode tutorial.

A tutorial on zener diodes and how to use them as voltage clamps, voltage regulators, and how to create audio distortion circuits.

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boost converter

DC-DC Boost converter tutorial

In this tutorial I explain DC-DC boost converters – a type of circuit used to step up voltage in an efficient manner. Towards the end I show how to construct a 50 watt adjustable boost converter circuit. Parts list: LT1370HV: http://octopart.com/lt1370hvct7%23pbf-linear+technology-532702 Electrolytic capacitors: http://octopart.com/eeu-fm1h471-panasonic-208645 Input and output ceramic caps: http://octopart.com/partsearch#!?q=UMK325BJ106MM-T Schottky diode: http://octopart.com/stps5l60-stmicroelectronics-334357 10uH inductor: […]

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adjustable dc to dc converter

Adjustable switch mode power supply tutorial

This video explains the purpose of feedback resistors in a buck converter circuit and shows you how to calculate them. Then I show you how to build a high current adjustable power supply using an LM2678 and a potentiometer. Parts list: LM2678T-ADJ: http://octopart.com/lm2678t-adjnopb-texas+instruments-15290279 Input electrolytic cap: http://octopart.com/eeu-fm1h221-ecg-208642 Output electrolytic cap: http://octopart.com/eeu-fr1c102b-panasonic-18987619 Input and output ceramic […]

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Switch mode power supply buck converter

Switch mode power supply tutorial: DC-DC buck converters

Switch mode power supplies are a more efficient way to regulate voltage than linear regulators. In this video I explain buck converters, which are a type of switch mode power supply used to step down voltage. I also show you how to build a 5V 5A power supply using an LM2678. Parts list (Octopart) Schematic:

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LM317 Adjustable Voltage Regulator Tutorial

A tutorial on the LM317 voltage regulator. Shows you how to make a 1.25 to 25V adjustable voltage supply, or choose any other output voltage you want. An example of a fan speed controller is shown. This video builds on material covered in the fixed voltage regulator tutorial so you should check that out if […]

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voltage regulator

Voltage regulator tutorial and USB gadget charger circuit

This video covers the basics of linear voltage regulators – what they do, how to wire them up, and where to find them. Then I give a basic example of how to build a 5V supply that can be used to power USB powered gadgets. This video builds upon material covered in the transformer and […]

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