Reliable and Efficient Adjustable Power Supply
This adjustable stabilized power supply provides a regulated output voltage ranging from 3V to 30V, delivering up to 2.5A of current. It is based on the LM723 IC, making it suitable for general-purpose applications requiring a stable power source.
Circuit Overview
This power supply circuit efficiently converts AC voltage into a precise and adjustable DC output. It includes a voltage regulator, rectifier bridge, and filtering components to ensure a clean and stable voltage output.
Components List
- R1 = 560Ω (1/4W)
- R2 = 1.2KΩ (1/4W)
- R3 = 3.9KΩ (1/4W)
- R4 = 15KΩ (1/4W)
- R5 = 0.15Ω (5W)
- C1 = 100nF
- C2 = 2200µF (35-40V)
- C3 = 100pF
- C4 = 100µF (35V)
- D = B40 C3300/2200 Bridge Rectifier (3A)
- P1 = 10KΩ Potentiometer
- TR1 = BD135
- TR2 = 2N3055 Power Transistor
- IC = LM723 Voltage Regulator
- Voltmeter = 0V to 40V, connected across the output terminals.
Key Features of This Power Supply
✅ Adjustable Voltage Output – Ranges from 3V to 30V for versatile applications.
✅ High Current Output – Supports up to 2.5A, suitable for most electronic devices.
✅ Stable Performance – Uses the LM723 regulator IC for accurate voltage regulation.
✅ Reliable Circuit Protection – Equipped with capacitors and resistors to ensure smooth operation.
✅ Ideal for DIY & Lab Use – Perfect for testing circuits, powering projects, and repair work.
Why Build This Power Supply?
This adjustable power supply is perfect for electronics enthusiasts, students, and professionals who need a cost-effective and reliable DC power source. It is a must-have tool for any electronics workspace!
