7805 5V 500mA Regulator IC

7805 Voltage Regulator IC (5V, 500mA)

The 7805 Voltage Regulator IC is a widely used linear voltage regulator designed to provide a stable 5V output from a higher input voltage. It is simple to use, highly reliable, and ideal for powering microcontrollers and low-power electronic circuits.

Key Features

• Fixed 5V Output – Provides stable and regulated voltage
• Output Current up to 500mA – Suitable for low to medium power applications
• Thermal Overload Protection – Prevents overheating damage
• Short Circuit Protection – Enhances circuit safety
• Wide Input Voltage Range – Accepts higher DC input voltage
• Easy to Use – Minimal external components required

Applications

• Power Supply Circuits – Regulated 5V output
• Microcontroller Projects – Arduino, ESP modules
• Embedded Systems – Stable voltage supply
• DIY Electronics – General-purpose regulation
• Battery-Powered Devices – Voltage step-down

Technical Specifications

• Model: 7805
• Output Voltage: 5V (fixed)
• Output Current: Up to 500mA (with proper cooling)
• Input Voltage: 7V – 20V recommended
• Dropout Voltage: ~2V
• Package: TO-220
• Protection: Thermal shutdown, short-circuit protection

Product Example

7805 5V Linear Voltage Regulator IC (TO-220)
A reliable solution for generating stable 5V power in electronic circuits.

Why Choose 7805 Regulator?

• Simple and reliable voltage regulation
• Widely available and low cost
• Easy integration into circuits
• Built-in safety protections
• Ideal for beginners and professionals

⚠️ Important Notes

• Efficiency is low — excess voltage is dissipated as heat
• Use a heatsink for higher current loads
• Input voltage must be at least ~2V higher than output
• Add input/output capacitors for stability
• Not suitable for high-efficiency applications (use buck converter instead)