Manufacturer Part Number
LP2981A-28DBVR
Manufacturer
Texas Instruments
Introduction
Low-dropout voltage regulator designed for portable applications
Product Features and Performance
Positive fixed output voltage of 2.8V
Low dropout voltage of 0.37V @ 100mA load
Output current capability of 100mA
Low quiescent current of 95 µA
High PSRR of 63dB at 1kHz
Enable control feature for power saving
Protection features against overcurrent, overtemperature, and short circuit
Wide operating temperature range from -40°C to 125°C
Product Advantages
High efficiency for battery-powered devices
Low power consumption extends battery life
Robust protection features enhance reliability
Compact SOT-23-5 package for space-constrained applications
Key Technical Parameters
Voltage Input (Max): 16V
Voltage Output (Min/Fixed): 2.8V
Current Output: 100mA
Quiescent Current (Iq): 95 µA
Supply Current (Max): 1.7 mA
Power Supply Rejection Ratio (PSRR): 63dB at 1kHz
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Short circuit protection
Compatibility
Surface mount compatible
Packaged on Tape & Reel for automated assembly
Fits SC-74A, SOT-753 footprint
Application Areas
Portable electronics
Battery-powered devices
Wireless handsets
PDAs and mobile computing
Product Lifecycle
Status: Last Time Buy
Potential discontinuation with prospects for replacement or upgrade solutions
Reasons to Choose This Product
Reliability in wide temperature ranges
Efficient power management for portable applications
Texas Instruments' reputation for quality and support
Integrated protection features guard against common electrical faults
Small form factor suitable for modern compact electronics
High PSRR ideal for noise-sensitive applications