Manufacturer Part Number
LD2981ABM30TR
Manufacturer
stmicroelectronics
Introduction
Low dropout linear voltage regulator designed for low-power applications
Product Features and Performance
High accuracy output voltage
Stable with low ESR capacitors
Low dropout voltage of 0.375V at 100mA load
Output current capability of 100mA
Very low quiescent current of 150 µA
Excellent PSRR of 63dB at 1kHz
Thermal overload and short-circuit protection
Product Advantages
Energy efficient for extended battery life
Compact SOT-23-5 package for space-saving
Robust over current and over temperature protection enhances reliability
Enable control feature for power-saving modes
Key Technical Parameters
Input voltage up to 16V
Fixed 3V output voltage
Maximum output current of 100mA
Dropout voltage 0.375V at 100mA load
63dB PSRR at 1kHz
Quality and Safety Features
Over Current protection
Over Temperature protection
Compatibility
Compatible with a variety of capacitors, including ceramic types for stable operation
Application Areas
Portable and battery-powered equipment
Consumer electronics
Microcontroller power supply
Product Lifecycle
Active status, currently not nearing discontinuation
Replacements or upgrades may be available
Several Key Reasons to Choose This Product
Excellent power supply rejection ratio ensures low noise operation
Low dropout for better performance in low voltage conditions
High output accuracy suitable for sensitive electronic applications
Ultra-low quiescent current for power conservation
Thermal and current protection for improved safety and reliability
Wide operating temperature range suitable for harsh environments
Easy-to-use enable pin for flexible power management
LD2981ABU50STMicroelectronics