Manufacturer Part Number
UA78M05QDCYRG4Q1
Manufacturer
Texas Instruments
Introduction
The UA78M05QDCYRG4Q1 from Texas Instruments is a linear, low-dropout voltage regulator particularly designed for automotive applications.
Product Features and Performance
Low dropout voltage: 2V @ 350mA
Stable fixed 5V output voltage
500mA output current capability
High power supply rejection ratio: 80dB at 120Hz
Functional in a wide operating temperature range from -40°C to 125°C
Product Advantages
Optimized for automotive applications
High PSRR suitable for noisy environments
Meets AEC-Q100 qualification standards
Protection features enhance safety and reliability
Capable of handling moderate power requirements
Key Technical Parameters
Voltage - Input (Max): 25V
Voltage - Output (Min/Fixed): 5V
Current - Output: 500mA
Voltage Dropout (Max): 2V
PSRR: 80dB (120Hz)
Operating Temperature Range: -40°C to 125°C
Automotive Grade
Surface Mount TO-261-4, TO-261AA package
Quality and Safety Features
Protection against overcurrent conditions
Overtemperature protection to safeguard against high heat
Short-circuit protection for circuit safety
Compatibility
Designed for surface mount applications
Compatible with TO-261AA (SOT-223-4) footprint
Application Areas
Suitable for automotive systems
Power management applications within industrial sectors
Electronic devices requiring regulated power supply
Product Lifecycle
Product Status: Active
Currently not nearing discontinuation
Availability of replacements or upgrades within Texas Instruments LDO regulator portfolio
Several Key Reasons to Choose This Product
Automotive-grade reliability and AEC-Q100 certification
High accuracy fixed output voltage (5V) for consistent power delivery
Robust safety features for risk mitigation in critical applications
Excellent PSRR for stable operation despite input voltage noise
Highly compatible SOT-223-4 package for ease of PCB design and manufacturing
Supports a broad temperature range catering to demanding environments
High output current (500mA) suitable for a variety of electronic circuits
UA78M08
UA78M05QDCYRTexas Instruments