Manufacturer Part Number
LP2981IM5-3.3
Manufacturer
Texas Instruments
Introduction
The LP2981IM5-3.3 is a voltage regulator, specifically categorized under Low Drop Out (LDO) regulators designed for stable power management.
Product Features and Performance
Fixed output configuration providing a steady 3.3V output voltage
Low dropout voltage of approximately 0.37V at 100mA load aiding in efficient operation
Equipped with features like Enable for operational control
Protection mechanisms against over current, over temperature, and short circuit for enhanced safety
High PSRR of 63dB at 1kHz ensuring low noise in power supply
Product Advantages
Optimized for low current applications with a low quiescent current of just 95 µA
Compact package SC-74A, SOT-753 suitable for space-sensitive applications
Robust temperature operation range from -40°C to 125°C
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Min/Fixed): 3.3V
Current - Output: 100mA
Current - Quiescent (Iq): 95 µA
Current - Supply (Max): 1.7 mA
Voltage Dropout (Max): 0.37V @ 100mA
PSRR: 63dB (1kHz)
Quality and Safety Features
Over Current, Over Temperature, and Short Circuit protection
Dependable performance between -40°C and 125°C
Compatibility
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Application Areas
Suitable for applications in consumer electronics, telecommunication and industrial equipment, specifically where low power consumption and space are critical
Product Lifecycle
Status: Last Time Buy, suggesting nearing discontinuation
Availability of potential replacements or upgrades should be verified with newer or similar models from Texas Instruments
Several Key Reasons to Choose This Product
Low dropout feature suitable for efficient power management
Low quiescent current ideal for battery-operated devices needing prolonged life
Robust built-in protection features adding to the device reliability
High PSRR value minimizes noise introduced by the power supply
Compact profile facilitates easy integration into space-constrained applications