Manufacturer Part Number
LP3990MF-2.5
Manufacturer
Texas Instruments
Introduction
Low Dropout Regulator for Power Management Applications
Product Features and Performance
Low Dropout Voltage of 0.2V at 150mA
Positive Output Voltage Configuration
Fixed Voltage Output of 2.5V
Single Regulator
Low Quiescent Current of 80 µA
Good Power Supply Rejection Ratio (PSRR) - 55dB at 1kHz to 35dB at 10kHz
Enable Control Feature for Improved Power Efficiency
Product Advantages
High Efficiency for Battery-Powered Devices
Compact SC-74A / SOT-753 Package for Space-Saving
Over Temperature and Short Circuit Protection for Safety
Low Current Consumption Enhancing Battery Life
Surface Mount for Modern PCB Assemblies
Key Technical Parameters
Voltage - Input (Max): 6V
Voltage - Output (Min/Fixed): 2.5V
Current - Output: 150mA
Current - Quiescent (Iq): 80 µA
Current - Supply (Max): 120 µA
PSRR: 55dB ~ 35dB (1kHz ~ 10kHz)
Quality and Safety Features
Robust Over Temperature Protection
Short Circuit Protection
Compatibility
Surface Mount Compatible with Modern PCBs
Suitable for Many Power Management Circuits
Application Areas
Portable Electronics
Consumer Electronics
Wireless Communication Devices
Battery-Powered Systems
Product Lifecycle
Not For New Designs
Consideration for Upgrades or Replacement May Be Necessary
Several Key Reasons to Choose This Product
Energy Efficient for Extended Battery Life in Portable Devices
Designed by Renowned Manufacturer Texas Instruments
Optimized for Stable Performance and Reliability
Easy Integration into Various Circuit Designs with Surface Mount Package
Comprehensive Protection Features Ensure Long-Term Operation