LM7805 5V 1A Positive Voltage Regulator TO-220

LM7805 5V 1A Positive Voltage Regulator TO-220 is a widely used fixed linear voltage regulator that outputs a stable 5V DC from higher input voltages. It is ideal for powering 5V logic circuits, sensors, and microcontrollers in various electronic projects. The TO-220 package offers efficient heat dissipation for higher current loads.

Key Features:

• Fixed 5V Output: Delivers a constant 5V regulated output voltage.
• 1A Output Current: Supports continuous current up to 1A.
• Overload Protection: Built-in current limiting and thermal shutdown.
• Easy to Use: Requires only two external capacitors for operation.
• Low Cost and Reliable: Commonly used and proven design in power supplies.

Technical Specifications:

• Output Voltage: 5V ±4%
• Output Current: Up to 1A
• Input Voltage Range: 7V to 25V
• Dropout Voltage: 2V (typical)
• Quiescent Current: 5mA (typical)
• Line Regulation: 0.01%/V
• Load Regulation: 0.1%
• Operating Temperature: 0°C to +125°C

Mechanical Specifications:

• Package: TO-220
• Pin Configuration: Pin 1 (Input), Pin 2 (Ground), Pin 3 (Output)
• Mounting: Through-hole with heatsink tab
• Body Dimensions: Approx. 10.2mm × 4.5mm × 15.5mm

Mounting Options:

• PCB Mount: Designed for vertical through-hole placement.
• Heatsink Compatible: Supports heatsink for enhanced thermal performance.

Schematic Diagram, Connection, Wiring and Pinout:

• Pin 1: Input Voltage (7–25V DC)
• Pin 2: Ground
• Pin 3: Regulated 5V Output
• Wiring: Add 0.33µF capacitor at input and 0.1µF at output for stability

Datasheet and Documentation:

• Download LM7805 Voltage Regulator Datasheet (PDF)

Applications:

• Microcontroller Projects: Powers Arduino, ESP8266, and Raspberry Pi peripherals.
• Sensor Power Supply: Provides clean 5V to analog and digital sensors.
• DIY Electronics: Essential in breadboard and prototyping circuits.
• Robotics: Powers motor driver logic and low-power modules.
• Consumer Electronics: Found in adapters, battery chargers, and toys.

Equivalent Models:

• AMS1117-5.0: Low dropout regulator for 5V output in SMD package
• LM340T5: Direct substitute with similar electrical specs
• L7805CV: STMicroelectronics variant of 7805 regulator
• KA7805: Fairchild equivalent with same pinout

Package Includes:

• 1 x LM7805 5V 1A Voltage Regulator TO-220