DC DC Power Converters electronics projects

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DC DC Converters circuit projects design using buck converter, boost converter and flyback converter topology .

5V power supply converter circuit using DFC6U5S5

This power supply converter circuit is designed for for digital, ECL, and analog application. The DFC6U5S5 power supply converter is manufactured by Power One and will provide up to 6 watts in an industry standard package.
Due to wide range input this power supply converter allow operation from battery as well as system power.

Circuit Diagram: 
5V power supply converter circuit using DFC6U5S5

Symmetrical power sources circuit diagram

This very simple circuit diagram, allows to make a symmetric power source using a few electronic components.

Circuit Diagram: 
Symmetrical power sources circuit diagram

Low drop voltage diode alternative circuit

Many silicon diode shows at high current, direct voltage of 1 V or higher. There are some types whose power failure at currents up to 2-3 A is limited to 0.5 to 0.6 V, but even this can produce unacceptably high losses. The electronic circuit offers a possible remedy.
Cathode of transistor T1 is connected to a sinusoidal voltage source, and the anode works as reference. C1 capacitor is charged at peak value of sinusoidal voltage, though the diode D1, supplying voltage to AO even during negative alternations.

Circuit Diagram: 
alternative diode circuit

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