Manufacturer Part Number
LP3990MF-2.8
Manufacturer
Texas Instruments
Introduction
Low-dropout linear voltage regulator
Product Features and Performance
Fixed 2.8V output voltage
150mA output current
Wide 6V input voltage range
High power supply rejection ratio (PSRR) of 55dB to 35dB (1kHz to 10kHz)
Over-temperature and short-circuit protection
Enable control feature
Low 0.2V voltage dropout at 150mA output
Low 80μA quiescent current
Low 120μA maximum supply current
Product Advantages
Compact SOT-23-5 package
Reliable and robust performance
Suitable for space-constrained applications
Key Technical Parameters
Output Voltage: 2.8V
Output Current: 150mA
Input Voltage Range: 6V (max)
PSRR: 55dB to 35dB (1kHz to 10kHz)
Protection Features: Over-temperature, Short-circuit
Control Features: Enable
Voltage Dropout: 0.2V @ 150mA
Number of Regulators: 1
Quiescent Current: 80μA
Supply Current: 120μA (max)
Quality and Safety Features
RoHS non-compliant
Suitable for operating temperature range of -40°C to 85°C
Compatibility
Compatible with a wide range of electronic devices and systems
Application Areas
Suitable for powering various electronic components and systems, such as:
- Sensors
- Microcontrollers
- Analog circuits
- Digital logic circuits
Product Lifecycle
This product is an established and mature solution
Replacement or upgrade options may be available from Texas Instruments or other manufacturers
Key Reasons to Choose This Product
Reliable and robust performance
Compact and space-saving SOT-23-5 package
Wide input voltage range and high PSRR for stable output
Over-temperature and short-circuit protection for enhanced safety
Low quiescent and supply current for efficient power consumption
Suitable for a variety of electronic applications and systems