Manufacturer Part Number
UA78L05AIPK
Manufacturer
Texas Instruments
Introduction
The UA78L05AIPK is a fixed output, low dropout linear regulator designed for Power Management integrated circuits, specifically suited for applications requiring a regulated 5V output.
Product Features and Performance
Single Positive Output Configuration
Fixed Output Voltage of 5V
Maximum Input Voltage of 20V
Low Dropout Voltage of 1.7V at 40mA load
Output Current Capacity of 100mA
High Power Supply Rejection Ratio (PSRR) of 49dB at 120Hz
Over current, over temperature, reverse polarity, and short circuit protection
Product Advantages
High reliability and performance with built-in protection features
Compact surface mount package (SOT-89-3)
Low dropout voltage allows operation closer to the input voltage
High PSRR minimizes noise transferred from the input to the output
Key Technical Parameters
Input Voltage (Max): 20V
Output Voltage (Min/Fixed): 5V
Dropout Voltage (Max): 1.7V @ 40mA
Output Current: 100mA
PSRR: 49dB (120Hz)
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Short Circuit Protection
Compatibility
Compatible with a wide range of digital and analog circuits due to stable 5V output
Application Areas
Consumer Electronics
Telecommunications
Computing Devices
Industrial Equipment
Product Lifecycle
Current Status: Active
Not near discontinuation, with ongoing manufacturer support for replacements or upgrades
Several Key Reasons to Choose This Product
High efficiency with low dropout design for full operation on lower voltages
Robust protection features ensure longevity and reliability in various applications
Ideal for compact, high-density installations due to small footprint SOT-89-3 package
Suitable for a wide operational temperature range making it versatile for different environments
High PSRR providing cleaner output for sensitive loads