National Semiconductor Tariff Inquiry

LP3879SD-1.2

LP3879SD-1.2 Description

The LP3879SD-1.2 is a high-performance linear voltage regulator designed by National Semiconductor, offering a fixed output voltage of 1.2V and capable of delivering up to 800mA of output current. This regulator is designed for applications requiring a stable and reliable power supply with minimal power dissipation. The LP3879SD-1.2 features a maximum input voltage of 6V, ensuring compatibility with a wide range of input power sources. It is housed in a surface-mount 8WSON package, making it suitable for compact and space-constrained designs.

LP3879SD-1.2 Features

• Output Type: Fixed at 1.2V, ensuring a stable power supply for sensitive electronic components.
• Input Voltage Range: Up to 6V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 800mA, making it suitable for a variety of applications requiring moderate current levels.
• Low Quiescent Current: Only 1.4 mA, which minimizes power consumption in standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): 60dB at 1kHz, ensuring excellent noise filtering and stable output voltage under varying input conditions.
• Protection Features: Over-current, over-temperature, and short-circuit protection, safeguarding the regulator and connected circuits from damage.
• Control Features: Enable function allows for easy control of the regulator's operation, enabling power-saving modes or controlled shutdown.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), ensuring the component is suitable for a wide range of environmental conditions without additional moisture protection.
• Mounting Type: Surface Mount, ideal for modern, compact PCB designs.
• Product Status: Active, ensuring availability and support from the manufacturer.
• REACH Status: REACH Affected, indicating compliance with relevant environmental and chemical regulations.

LP3879SD-1.2 Applications

The LP3879SD-1.2 is ideal for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Powering small to medium-sized electronic devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing a reliable power source for sensors, controllers, and other low-power industrial components.
• Telecommunications: Ensuring stable power delivery to communication modules and base stations.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, control units, and other automotive applications requiring a stable power supply.
• Medical Devices: Powering portable medical devices and diagnostic equipment where reliability and low power consumption are paramount.

Conclusion of LP3879SD-1.2

The LP3879SD-1.2 stands out as a robust and versatile linear voltage regulator, offering a combination of high performance, reliability, and efficiency. Its fixed 1.2V output and 800mA current capability make it suitable for a wide range of applications, while its low quiescent current and high PSRR ensure minimal power loss and excellent noise performance. The inclusion of comprehensive protection features and an enable control function further enhance its versatility and reliability. For designers seeking a compact, efficient, and reliable power solution, the LP3879SD-1.2 is an excellent choice.