Product Overview: LP3985IBL-3.1

The LP3985IBL-3.1 is a high-performance, low-dropout regulator (LDO) from Texas Instruments, designed to maintain precision voltage regulation while offering a low quiescent current. This regulator is ideal for battery-powered applications due to its energy-efficient operation and small footprint.

Key Features

• Output Voltage: Fixed output voltage of 3.1V, which is suitable for a wide range of low-voltage electronics.
• High Accuracy: Maintains a tight output voltage tolerance of ±0.5% at room temperature, ensuring reliable performance for sensitive applications.
• Low Dropout: Offers a very low dropout performance, which enables full regulation even when the input voltage is close to the output voltage, enhancing battery life.
• Low Quiescent Current: The device features a low quiescent current, which is critical for extending battery life in portable devices.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features to protect the device under abnormal operating conditions.
• Small Package Size: Available in a micro SMD package, making it suitable for space-constrained applications.

Applications

The LP3985IBL-3.1 is versatile and can be used in various applications, including:

• Mobile phones
• PDAs and handheld computing devices
• Portable media players
• Wireless LAN cards
• GPS receivers

Technical Specifications

Parameter Value Output Voltage (V) 3.1 Dropout Voltage (Typical) (V) 0.12 at 300mA Output Current (mA) 150 Quiescent Current (Typical) (µA) 90 Package Type Micro SMD

For more detailed information, please refer to the LP3985IBL-3.1 datasheet provided by Texas Instruments.