Manufacturer Part Number
L7809CV
Manufacturer
stmicroelectronics
Introduction
The L7809CV is a 9V, 1.5A, low dropout linear voltage regulator from STMicroelectronics. It is designed to provide a fixed, regulated output voltage from an unregulated input voltage. The device features built-in overcurrent and overtemperature protection, making it a reliable and robust power management solution.
Product Features and Performance
Output Voltage: 9V
Output Current: 1.5A
Input Voltage Range: Up to 35V
Voltage Dropout: 2V @ 1A (Typical)
Quiescent Current: 8mA
Power Supply Rejection Ratio (PSRR): 55dB (120Hz)
Protection Features: Overtemperature, Short Circuit
Operating Temperature Range: 0°C to 125°C
Packaging: TO-220-3
Product Advantages
Robust and reliable design with built-in protection features
Capable of delivering up to 1.5A of output current
Wide input voltage range up to 35V
Compact and industry-standard TO-220 package
Key Reasons to Choose This Product
Dependable and efficient power regulation solution
Suitable for a wide range of applications requiring a 9V, 1.5A regulated output
Easy to integrate and implement due to the simple linear regulator design
Proven reliability and performance from a trusted manufacturer
Quality and Safety Features
Overtemperature protection to prevent damage from thermal overload
Short circuit protection to safeguard the device and connected circuitry
Compatibility
The L7809CV is a standard 9V, 1.5A linear voltage regulator and is compatible with a wide range of electronic devices and systems that require a regulated 9V power supply.
Application Areas
Industrial equipment
Automotive electronics
Consumer electronics
Test and measurement instruments
Audio amplifiers
Lighting systems
Product Lifecycle
The L7809CV is an obsolete product, meaning it is no longer in active production. However, there are equivalent or alternative models available from STMicroelectronics and other manufacturers that can serve as replacements. Customers are advised to contact our website's sales team for more information on suitable alternatives and to ensure the continuity of their design.