Manufacturer Part Number
LP2981AIM5X-5.0
Manufacturer
Texas Instruments
Introduction
The LP2981AIM5X-5.0 is a low-dropout (LDO) linear voltage regulator designed to deliver a fixed 5V output from an input up to 16V, ensuring stable and efficient power supply performance in a broad range of applications.
Product Features and Performance
Fixed 5V output voltage
Supports input voltage up to 16V
Low dropout voltage of 0.37V at 100mA load
Maximum output current of 100mA
Low quiescent current of 95 µA, optimizing battery life
High power supply rejection ratio (PSRR) of 63dB at 1kHz
Integrated enable feature for power saving
Overcurrent, overtemperature, and short circuit protection
Product Advantages
High efficiency at low dropout voltages
Extended battery life due to low Iq
Robust protection features ensure long-term reliability
Compact SOT-23-5 package for space-saving designs
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 5V
Voltage Dropout (Max): 0.37V @ 100mA
Current Output: 100mA
Quiescent Current (Iq): 95 µA
PSRR: 63dB (1kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Short circuit protection
Ensures stable operation under varying conditions
Compatibility
Compatible with a wide range of microcontrollers, sensors, and other electronic components requiring a stable 5V supply
Surface mount package (SOT-23-5) fits various PCB designs
Application Areas
Battery-powered devices
Portable electronics
Microcontroller power supply
Sensor modules
Product Lifecycle
Obsolete status, consider planning for replacements or upgrades
Explore Texas Instruments for alternative solutions matching system requirements
Several Key Reasons to Choose This Product
Reliable fixed 5V output suitable for common electronic devices
Low dropout enhances efficiency in low voltage operations
Comprehensive protection features safeguard against common electrical issues
Compact and widely compatible packaging simplifies design integration
Supported by Texas Instruments' reputation for quality and reliability despite its obsolescence
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