Manufacturer Part Number
LP3981IMM-2.7
Manufacturer
Texas Instruments
Introduction
Low-Dropout Regulator for Power Management Applications
Product Features and Performance
Single LDO Regulator
Fixed 2.7V Output Voltage
Maximum 300mA Output Current
Low Dropout Voltage of 0.2V at 300mA
Low Quiescent Current of 120 µA
Supply Current Up to 210 µA
PSRR of 50dB to 55dB between 1kHz and 10kHz
Operational Temperature Range from -40°C to 125°C
Product Advantages
Highly Efficient for Lower Power Consumption
Compact 8-TSSOP, 8-MSOP for Space-Sensitive Applications
Accurate Voltage Regulation for Sensitive Electronics
Thermal and Overcurrent Protection Enhances Reliability
Key Technical Parameters
Input Voltage (Max): 6V
Output Voltage (Min/Fixed): 2.7V
Current - Output: 300mA
Voltage Dropout (Max): 0.2V @ 300mA
PSRR: 50dB ~ 55dB (1kHz ~ 10kHz)
Control Features: Enable
Protection Features: Over Current, Over Temperature, Short Circuit
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Robust Protection Against Overcurrent and Overheating
Short Circuit Protection for Enhanced Safety
Compatibility
Compatible with Various Electronic Circuits Requiring a 2.7V Supply
Designed for Surface Mount Technology (SMT) Assembly Processes
Application Areas
Consumer Electronics
Telecommunications
Portable Devices
Computer Peripherals
Product Lifecycle
Obsolete
Potential Need for Replacement or Upgrade to a Newer Model
Reasons to Choose This Product
Established Reliability of Texas Instruments LDOs
Precision Fixed Output Suitable for Specific Voltage Requirements
High PSRR for Noise Sensitive Applications
Low Dropout for Enhanced Efficiency
Built-In Safety Features for Long-Term Stability
Wide Operating Temperature Range Perfect for Harsh Environments
Compliance with SMT Manufacturing Standards for Easy Integration