Product Overview: LP3981IMMX-3.3

The LP3981IMMX-3.3 is a highly reliable, low-dropout (LDO) voltage regulator designed and manufactured by Texas Instruments. This micro-power device is optimized to deliver a fixed output voltage of 3.3V, making it an ideal choice for a wide range of battery-powered and low-voltage electronics.

Key Features

• Fixed Output Voltage: The LP3981IMMX-3.3 provides a stable 3.3V output, which is crucial for consistent performance in sensitive electronic circuits.
• High Accuracy: This voltage regulator maintains high accuracy with a low dropout voltage, ensuring devices operate effectively under varying power conditions.
• Low Power Consumption: Designed for power-sensitive applications, it features a quiescent current of typically 90μA, making it suitable for battery-powered devices.
• Thermal Shutdown Protection: The device includes thermal shutdown and current limit features to protect against over-temperature and over-current conditions.
• Small Package Size: The LP3981IMMX-3.3 comes in a compact MSOP-8 (Micro Small Outline Package) that is space-efficient for modern compact electronic assemblies.

Applications

With its stable voltage output and low power consumption, the LP3981IMMX-3.3 is suitable for a variety of applications, including:

• Mobile Phones
• PDAs and Handheld Devices
• Portable Media Players
• Wireless LAN Devices
• GPS Receivers
• Other Battery-Powered Devices

Product Specifications

Parameter Value Output Voltage 3.3V Dropout Voltage Typically 280 mV at 300 mA Maximum Output Current 300 mA Operating Temperature Range -40°C to +125°C Package Type MSOP-8

Overall, the LP3981IMMX-3.3 from Texas Instruments is a robust, high-performance LDO voltage regulator that offers a combination of accuracy, low power consumption, and protection features in a small footprint, making it an excellent choice for engineers and designers looking to enhance the reliability and efficiency of their electronic products.