Manufacturer Part Number
LP3981IMM-3.03
Manufacturer
Texas Instruments
Introduction
A powerful, feature-rich power management integrated circuit (PMIC) specifically designed for linear, low drop-out (LDO) voltage regulation.
Product Features and Performance
Linear LDO voltage regulator
Supports up to 6V input
Provides a fixed 3.03V output
Maximum dropout voltage of 0.2V at 300mA load
Capable of delivering up to 300mA of output current
Quiescent current of 120 µA
Maximum supply current of 210 µA
PSRR of 50dB to 55dB across 1kHz to 10kHz frequencies
Enable control feature for efficient power management
Incorporates over current, over temperature, and short circuit protection
Product Advantages
Highly efficient in minimizing dropout voltage
Low quiescent current enhances battery life in portable applications
Excellent power supply rejection ratio ensures stable output voltage
Comprehensive protection features enhance system reliability
Simple enable feature facilitates easy power management
Key Technical Parameters
Voltage - Input (Max): 6V
Voltage - Output (Min/Fixed): 3.03V
Voltage Dropout (Max): 0.2V @ 300mA
Current - Output: 300mA
Current - Quiescent (Iq): 120 µA
PSRR: 50dB ~ 55dB (1kHz ~ 10kHz)
Quality and Safety Features
Over current protection
Over temperature protection
Short circuit protection
Compatibility
Compatible with various electronic applications requiring stable 3.03V supply
Surface mount design for compatibility with modern PCB layouts
Application Areas
Portable and battery-powered devices
Microcontroller power supply
Wireless communication modules
Handheld medical devices
Product Lifecycle
Last Time Buy status indicating nearing discontinuation
Users should consider future availability of replacements or upgrades
Several Key Reasons to Choose This Product
Minimal dropout voltage improves efficiency in low voltage applications
Low quiescent current benefits battery-dependent setups
Robust PSRR value maintains output stability against input noise
Comprehensive protection mechanisms ensure long-term reliability
"Last Time Buy" status presents a final opportunity to incorporate this reliable component in designs
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