Manufacturer Part Number
LP2981-50DBVR
Manufacturer
Texas Instruments
Introduction
The LP2981-50DBVR is a low-dropout regulator designed for power-sensitive applications.
Product Features and Performance
Positive fixed 5V output voltage
Low dropout voltage of 0.37V at 100mA load
Stable with low-ESR capacitors
High PSRR of 63dB at 1kHz
Low quiescent current of 95µA
Maximum supply current of 1.7mA
Supports output current up to 100mA
Product Advantages
High efficiency for battery-powered devices
Low dropout improves performance under low input voltage conditions
Good thermal performance with over temperature protection
Key Technical Parameters
Input (Max): 16V
Output (Min/Fixed): 5V
Dropout Voltage (Max): 0.37V @ 100mA
Current - Output: 100mA
Quiescent Current (Iq): 95 µA
PSRR: 63dB (1kHz)
Supply Current (Max): 1.7 mA
Quality and Safety Features
Over current protection
Over temperature protection
Short circuit protection
Compatibility
Compatible with a variety of capacitors for output stability
Suitable for surface mount technology with SOT-23-5 package
Application Areas
Mobile phones
Laptops
PDAs and other portable devices
Wireless LAN devices
Product Lifecycle
Active status
Supports longevity for current and future designs
Several Key Reasons to Choose This Product
Stable operation with a wide range of external capacitors
Low power consumption extends battery life for portable devices
Reliability ensured by Texas Instruments' quality and protective features
Capable of supplying 100mA with low dropout, making it suitable for a wide range of applications
Broad operating temperature range from -40°C to +125°C for extreme environments
Simple enable function for power management
High PSRR minimizes power supply ripple, suitable for sensitive RF and analog circuits