5V Regulated Power supply circuit

5V Regulated Power supply circuit 

Introduction

Quite often we find the need for a reliable and at the same time a well regulated  5V power supply for our electronics projects that we built to power the gadget. The reliable and stable power supply ensures stable performance of the gadget and for utility purposes. As such a hobbyist or electronics enthusiast finds this power supply design handy for successful project building. 

A proper power supply is required for any circuit to function optimally. It is thus indispensable for any electronic circuit to function. Various power supply circuits are available that confuse which one can give optimum performance besides longer lasting and economical to apply. 

Starting from half-wave rectifiers to versatile SMPS, they are available for electronics enthusiasts. Especially for digital circuits ordinary power supply systems should not be used. Digital circuits using ICs need well-regulated and constant current power supplies. Considering the cost, performance and suitability one such popular 5V regulated power supply circuit is given here. 

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Know your circuit

Circuit Schematic

Circuit schematic:

A simple and at the same time versatile regulated Power supply giving steady 5V for efficient use of digital circuit is given here. Full wave rectification of the AC supply ensures capable of delivering nearly 1A power is utilized. Even after smoothing the DC supply, it has been specifically regulated to 5V DC output with the help of the famous voltage regulator IC 7805. It is a simple 3-pin IC voltage regulator easy to handle and assemble on PCBs.  The full circuit schematic is given for your appreciation and assembly. 

Parts of the circuit

Very few components are used in the circuit. The details of the parts are given below.

U1 – IC 7805 voltage regulator

D1, D2, D3, D4 – 1N4001 rectifier diodes

T1 – 230 v to 8v AC step down power transformer

C1 – 1000 MFD/25V electrolytic capacitor

C2 – 100 MFD/ 16 V electrolytic capacitor 

Know your design 

Features:

Easy to build this versatile 5V regulated power supply circuit using voltage regulator IC 7805.

The output gives a fixed 5V regulated power supply. Universally popular for digital circuits.

A heat sink may be used for the voltage regulator if the circuit draws more current. The heat sink will minimize the heat produced by the IC. 

Know your Assembling 

A ready-made PCB design is given to assemble the circuit. It is noteworthy to note that the power supply PCB can be fitted to any gadgets that require a regulated 5V power supply. 

Full view of PCB 

PCB layout

One can easily assemble this PCB very easily with the help of the circuit. 

A simple and at the same time versatile regulated Power supply giving steady 5V for efficient use of digital circuit is given here. Full wave rectification of AC supply ensures capable of delivering nearly 1A power is utilised. Even after smoothing the DC supply, it has been specifically regulated to 5V DC output with the help of the famous voltage regulator IC 7805. It is a simple 3-pin IC voltage regulator easy to handle and assemble on PCBs.  The full circuit schematic is given for your appreciation and assembly. 

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Conclusion

The versatile 5V regulated power supply is very handy for electronics enthusiasts like hobbyists, prototype builders, experimenters, electronics students and even professionals. Kindly express your comments here, so that the peoples' requirements can be ascertained and act accordingly.