The 78M09/7809/L78M09 is a 9V positive voltage regulator IC designed to provide a stable output voltage with a high current capability. It is housed in a TO-252 surface-mount device (SMD) package, making it suitable for high-density circuit board layouts. Here’s a detailed description of the product:
Key Features:
- Type: Positive Voltage Regulator
- Package: TO-252 (Surface Mount Device)
- Output Voltage: 9V
- Maximum Output Current: 500mA
- Input Voltage Range: Up to 35V
- Dropout Voltage: Typically 2V
- Thermal Overload Protection: Protects the IC from overheating
- Short-Circuit Protection: Protects against excessive current draw
- Output Voltage Tolerance: ±2%
Applications:
- Power Supplies: Suitable for use in regulated power supply circuits.
- Industrial Equipment: Used in various industrial applications requiring stable voltage.
- Consumer Electronics: Ideal for providing stable voltage in consumer electronic devices.
- Telecommunication: Useful in telecommunication equipment requiring regulated voltage.
- Battery-Powered Devices: Suitable for battery-powered applications due to low dropout voltage.
Pin Configuration:
- Pin 1 (GND): Ground
- Pin 2 (Input): Input voltage
- Pin 3 (Output): Regulated output voltage
- Tab: Internally connected to Pin 2 (Output) for heat dissipation
Electrical Characteristics:
- Input Voltage (Vin): Up to 35V
- Output Voltage (Vout): 9V
- Output Current (Iout): 500mA max
- Dropout Voltage: 2V typical
- Output Voltage Tolerance: ±2%
- Load Regulation: 0.1% (max)
- Line Regulation: 0.02%/V (max)
- Quiescent Current: Typically 4mA
Note: Product images are for illustrative purposes only and may differ from the actual product.
