Manufacturer Part Number
LP2981A-33DBVRG4
Manufacturer
Texas Instruments
Introduction
The LP2981A-33DBVRG4 is a low-dropout (LDO) linear voltage regulator designed to provide a fixed 3.3V output from a low quiescent current.
Product Features and Performance
Outputs fixed 3.3V voltage
Low dropout voltage of 0.37V at 100mA load
Supports up to 100mA output current
Quiescent current at 95 µA
High PSRR of 63dB at 1kHz
Control features include enable functionality for power-saving
Protection features against overcurrent, overtemperature, and short circuit
Product Advantages
High efficiency in voltage regulation
Minimal power loss due to low dropout
Robust protection features ensure reliability and safety
Low quiescent current ideal for battery-operated devices
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 3.3V
Dropout Voltage (Max): 0.37V at 100mA
Output Current: 100mA
Quiescent Current (Iq): 95 µA
Supply Current (Max): 1.7 mA
PSRR: 63dB at 1kHz
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Short circuit protection
Compatibility
Designed for surface mount technology
Package / Case format: SC-74A, SOT-753
Compatible with SOT-23-5 device packages
Application Areas
Ideal for low-power battery-operated electronics
Suitable for portable and wearable devices
Product Lifecycle
Status: Last Time Buy
Important to secure stock or identify replacements due to discontinuation
Several Key Reasons to Choose This Product
High reliability with robust protective features
Low power consumption suitable for power-sensitive applications
Stable performance with high PSRR for reduced noise
Compact and versatile for easy integration in various designs
Notable efficiency with low dropout voltage