Manufacturer Part Number
LD2981CM33TR
Manufacturer
STMicroelectronics
Introduction
The LD2981CM33TR is a low drop-out voltage regulator designed for power-sensitive applications.
Product Features and Performance
Fixed 3.3V output voltage
Low dropout voltage of 0.375V at 100mA load
High PSRR of 63dB at 1kHz
Enable control feature for power management
Up to 100mA output current capacity
Product Advantages
Stable and reliable voltage supply for sensitive circuits
Low quiescent current of 150 µA improving power efficiency
Thermal and overcurrent protection features for enhanced safety
Compact SOT-23-5 package for space-constrained applications
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 3.3V
Current - Output: 100mA
Current - Quiescent (Iq): 150 µA
PSRR: 63dB (1kHz)
Quality and Safety Features
Overcurrent and over temperature protection
Extended operating temperature range from -40°C to 125°C
Compatibility
Surface mount compatible with SC-74A, SOT-753
Application Areas
Portable electronics
Battery-powered devices
Microcontroller power supply
Product Lifecycle
Product Status: Active (Not nearing discontinuation)
Availability of replacements or upgrades (Manufacturer to be consulted for updates)
Several Key Reasons to Choose This Product
High-efficiency operation suitable for battery-operated devices
Robust protection features prolonging product lifespan
Lowest component count for linear regulator application
Suitable for noise-sensitive electronics due to excellent PSRR
Ease of integration with SOT-23-5 package for compact designs
LD2982AM47STMicroelectronics