The LP3881ES-1.2/NOPB is a high-performance, fast-response, low-dropout linear regulator designed and manufactured by Texas Instruments. This regulator is capable of delivering 800mA of continuous current with a low dropout voltage of typically 340mV at full load. The LP3881ES-1.2/NOPB is specifically designed to maintain regulation and stability even under varying input voltage and load conditions, making it an ideal choice for sensitive applications requiring a stable power supply.

Key Features

• Output Voltage: The device provides a fixed output voltage of 1.2V, which is suitable for low-voltage applications in modern electronic circuits.
• High Accuracy: The output voltage tolerance is tightly regulated to within ±1.5%, ensuring precise voltage delivery and system stability.
• Thermal Protection: It includes an internal thermal shutdown mechanism that protects the device from overheating, enhancing its reliability and longevity.
• Stable with Low ESR Capacitors: The LP3881ES-1.2/NOPB is stable with ceramic capacitors, which have lower equivalent series resistance (ESR) than other capacitor types, providing better transient response and noise reduction.
• Adjustable Current Limit: The regulator features an adjustable current limit which allows for customization according to the specific needs of the application.
• Power Good Output: This feature provides a signal when the output voltage reaches a stable and usable level, which is useful for power sequencing in complex systems.

Applications

The LP3881ES-1.2/NOPB is versatile and can be used in a wide range of applications, including but not limited to:

• FPGA, DSP, and ASIC supplies
• Networking infrastructure
• Post-regulation for switching supplies
• Microprocessor and microcontroller supplies
• Sensitive analog and RF circuitry

Package and Quality

The device is offered in a TO-263 package, which is designed for optimal thermal performance and space-saving on the PCB. It is also provided in a lead-free finish, adhering to environmental standards. The LP3881ES-1.2/NOPB is part of Texas Instruments' commitment to high-quality and reliability, making it a dependable choice for critical and demanding applications.