// Power

LM7809

The LM7809 is a fixed +9V linear voltage regulator from the 78xx series. Provides stable 9V at 1A output with thermal and current-limit protection.

// Specifications

Output Voltage

+9V fixed

Input Voltage

11V – 35V

Output Current

Dropout Voltage

~2V

Package

TO-220

// Pin Reference Table

Pin	Name	Function	Type
1	INPUT	Unregulated DC input	PWR
2	GND	Ground	GND
3	OUTPUT	Regulated +9V output	PWR