Manufacturer Part Number
L7809CV-DG
Manufacturer
stmicroelectronics
Introduction
The L7809CV-DG is a linear voltage regulator designed for power management, providing a fixed 9V output from an input voltage up to 35V.
Product Features and Performance
Provides a steady 9V output voltage
Capable of outputting 1.5A of current
Low dropout voltage of 2V at 1A load
Built-in over temperature and short circuit protection
Features a quiescent current of 8 mA
PSRR of 55dB at 120Hz for stable output
Product Advantages
High reliability due to built-in safety features
Suitable for a wide range of input voltages
Low quiescent current enhances efficiency
Easy to integrate into a circuit due to through-hole mounting
Key Technical Parameters
Input Voltage (Max): 35V
Output Voltage: 9V
Current Output: 1.5A
Dropout Voltage: 2V @ 1A (Typical)
Quiescent Current: 8 mA
PSRR: 55dB (120Hz)
Operating Temperature Range: 0°C ~ 125°C
Quality and Safety Features
Over temperature protection
Short circuit protection
Compatibility
Designed for through-hole mounting
Compatible with TO-220 package
Application Areas
Power supply stabilization
Electronic devices requiring a fixed 9V supply
Consumer electronics
Industrial applications
Product Lifecycle
Obsolete status, implying nearing discontinuation
Check for possible replacements or upgrades
Several Key Reasons to Choose This Product
Reliable with built-in safety features
Low dropout and quiescent current for efficient operation
Supports a broad input voltage range up to 35V
Easy integration into existing designs through through-hole mounting
Suitable for a wide variety of applications due to stable 9V output