Manufacturer Part Number
LP3984IMF-1.8
Manufacturer
Texas Instruments
Introduction
The LP3984IMF-1.8 is a low-dropout regulator designed for power-sensitive applications, providing a fixed output voltage of 1.8V.
Product Features and Performance
Positive output configuration
Fixed output voltage of 1.8V
Maximum input voltage of 6V
Dropout voltage of 0.12V at 150mA load
Output current capacity of 150mA
Quiescent current of 125 µA
Supply current max 150 µA
PSRR: 60dB to 40dB from 1kHz to 10kHz
Enable control feature for power management
Over temperature and short circuit protection
Operates at a temperature range of -40°C to 125°C
Product Advantages
High efficiency due to low dropout voltage
Low quiescent current enhances battery life
Good PSRR ensures stable output with varying input
Integrated protection features improve reliability
Wide operating temperature range
Key Technical Parameters
Voltage Input (Max): 6V
Voltage Output (Min/Fixed): 1.8V
Current Output: 150mA
Voltage Dropout (Max): 0.12V @ 150mA
Current Quiescent (Iq): 125 µA
PSRR: 60dB ~ 40dB (1kHz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over temperature protection
Short circuit protection
Compatibility
Surface Mount Technology for PCB integration
Packaged in SOT-23-5 for simplified design in
Application Areas
Power-sensitive electronics
Portable and battery-powered devices
Microcontrollers and digital systems
Product Lifecycle
Status: Obsolete
Note on discontinuation and lack of direct replacements
Several Key Reasons to Choose This Product
High power efficiency ideal for battery-powered applications
Low quiescent current for extended battery life
Reliable performance with built-in protection features
Suitable for a wide range of operating temperatures
Compact size for easy integration into design projects
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