Manufacturer Part Number
LD2981ABU50TR
Manufacturer
STMicroelectronics
Introduction
Low Dropout (LDO) Voltage Regulator for power management applications
Product Features and Performance
Fixed 5V Output Voltage
Up to 100mA Output Current
Low Dropout Voltage of 0.375V at 100mA load
Low Quiescent Current of 150µA
High PSRR of 63dB at 1kHz
Over Current and Over Temperature Protection
Product Advantages
Consistent 5V output for reliable operation
Energy-efficient with low quiescent current
Stable performance with high PSRR
Built-in safety features for device protection
Suitable for battery-operated devices
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Fixed): 5V
Dropout Voltage (Max): 0.375V @ 100mA
Output Current: 100mA
Quiescent Current (Iq): 150 µA
Supply Current (Max): 2.6 mA
Power Supply Rejection Ratio: 63dB (1kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
SOT-89-3 Package compatible with surface-mount technology
Application Areas
Consumer Electronics
Battery-Powered Equipment
Portable Devices
Telecommunications
Industrial Controls
Product Lifecycle
Active
Not nearing discontinuation
Replacements or upgrades generally available
Several Key Reasons to Choose This Product
Energy-saving features for extended battery life
Robust output voltage regulation for consistent performance
Compact SOT-89-3 package for space-constrained applications
High reliability and prolonged operational lifespan
Easy integration into a wide variety of circuit designs
Manufacturer's reputation for quality and support