Manufacturer Part Number
L78L09ACZ
Manufacturer
stmicroelectronics
Introduction
Low Drop Out (LDO) linear voltage regulator for power management applications
Product Features and Performance
Fixed 9V output voltage
Positive output configuration
Single regulator
Up to 100mA output current
5mA quiescent current
6mA max supply current
44dB Power Supply Rejection Ratio at 120Hz
Thermal overload protection
Short circuit protection
Operational between 0°C and 125°C
Product Advantages
Low quiescent current for power saving
Over current and temperature protection for safety
Simple design for easy use and implementation
High PSRR for better noise suppression
Key Technical Parameters
Input Voltage (Max): 30V
Output Voltage (Min/Fixed): 9V
Current - Output: 100mA
Quiescent Current (Iq): 5.5mA
Supply Current (Max): 6mA
Power Supply Rejection Ratio (PSRR): 44dB (120Hz)
Quality and Safety Features
Over Current protection
Over Temperature protection
Short Circuit protection
Reliability in operating temperatures from 0°C to 125°C
Compatibility
Through Hole mounting
TO-226-3, TO-92-3 (TO-226AA) package
Supplier Device Package: TO-92-3
Application Areas
Power management in consumer electronics
Portable devices requiring fixed voltage regulation
Low power embedded systems
Product Lifecycle
Obsolete status
Consider replacements or upgrades
Several Key Reasons to Choose This Product
Ideal for low current applications with 9V fixed output requirements
Simple TO-92 package for easy prototyping and manufacturing
Built-in safety features increase reliability across various applications
Good PSRR for applications sensitive to power supply noise
Operates across a wide temperature range, suitable for diverse environments
Minimalist and straightforward design for quick integration into projects