Manufacturer Part Number
LD2981ABM33TR
Manufacturer
STMicroelectronics
Introduction
Low Drop Out Voltage Regulator designed for power management applications
Product Features and Performance
Positive Output Configuration
Fixed Output Voltage
Single Output Voltage Regulator
Low Dropout Voltage: 0.375V @ 100mA
PSRR: 63dB at 1kHz providing good ripple rejection
Control Features include Enable function
Product Advantages
Highly efficient operation with low quiescent current of 150 µA
Robust protection with Over Current and Over Temperature features
Wide operating temperature range from -40°C to 125°C
Key Technical Parameters
Input Voltage Maximum: 16V
Output Voltage: 3.3V
Output Current: 100mA
Quiescent Current (Iq): 150 µA
Supply Current Maximum: 2.6 mA
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Compatible with various applications requiring a 3.3V fixed output voltage
Suitable for surface mount technology with SC-74A, SOT-753 footprint
Application Areas
Suitable for battery-powered devices
Consumer electronics
Portable applications
Embedded systems
Product Lifecycle
Active status
Not nearing discontinuation currently
Future replacements or upgrades may become available as technology advances
Several Key Reasons to Choose This Product
Efficient Power Management for low power applications
Small form factor with SOT-23-5 package for compact circuit designs
Reliable performance under varying conditions and load
Ease of integration into existing and new design platforms
Continued manufacturer support and product availability