The LM7805 is a fixed 5V positive voltage regulator designed to provide a stable and reliable 5V output for a wide variety of electronics applications. Whether you’re prototyping with microcontrollers or building embedded systems, this 3-terminal linear regulator ensures consistent voltage regulation with built-in protection features. Housed in a TO-220 package, it’s ideal for both DIY projects and commercial-grade designs.
Features
- Fixed +5V output voltage
- Output current up to 1.5A (with proper heatsink)
- Internal short-circuit and thermal overload protection
- Stable operation with only 2 external capacitors
- Low standby current
- Compatible with most TTL and CMOS logic families
- Industry-standard TO-220 package for easy PCB mounting
Specifications
- Output Voltage – 5VOutput Current – Up to 1.5A
- Input Voltage Range – 7V to 35V
- Dropout Voltage – Typically 2V
- Load Regulation – 100mV (typical)
- Line Regulation – 50mV (typical)
- Operating Temperature – 0°C to +125°C
- Package Type – TO-220
- Protection Features – Short-circuit, Overheat
Applications
- Microcontroller-based circuits (Arduino, ESP32, etc.)
- Robotics and embedded systems
- Sensor interfacing and analog circuits
- Power supply for TTL/CMOS logic
- DIY electronics projects
- Voltage conversion for 9V/12V to stable 5V
Package Content
1 x LM7805 5V Voltage Regulator (TO-220 Package)
Note: A heatsink is recommended for high current applications to ensure thermal stability.







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