Manufacturer Part Number
LM7809CT
Manufacturer
onsemi
Introduction
Voltage regulator that provides a fixed output voltage with linear regulation
Product Features and Performance
Positive fixed output configuration
Single regulator
Input Voltage up to 35V
Output Voltage fixed at 9V
Maximum Voltage Dropout of 2V @ 1A
Output Current capacity of 1A
Quiescent Current of 8 mA
Power Supply Rejection Ratio of 71dB at 120Hz
Product Advantages
Over Temperature Protection
Short Circuit Protection
Key Technical Parameters
Input Voltage (max): 35V
Output Voltage (min/fixed): 9V
Current - Output: 1A
Voltage Dropout (Max): 2V @ 1A (Typ)
Current - Quiescent (Iq): 8 mA
PSRR: 71dB (120Hz)
Quality and Safety Features
Protection from overheating and short circuits
Robust performance at operating temperatures from -40°C to 125°C
Compatibility
Through Hole Mounting
TO-220-3 Package
Application Areas
Power Supply Circuits
Consumer Electronics
Industrial Equipment
Product Lifecycle
Obsolete
Check for replacement or upgrade options
Several Key Reasons to Choose This Product
Simple linear regulation for stable 9V supply
Able to handle up to 1A output current
Thermal and circuit protection for safety and reliability
Good noise rejection with 71dB PSRR
Wide operating temperature range suitable for various environments
LM7809CZWST