National Semiconductor Tariff Inquiry

LP3875ESX-3.3/NOPB

LP3875ESX-3.3/NOPB Description

The LP3875ESX-3.3/NOPB is a high-performance linear voltage regulator designed for applications requiring efficient power management and reliable operation. Manufactured by National Semiconductor, this regulator is part of the Linear & Switching Voltage Regulators category and is known for its ultra-low dropout voltage and fast transient response. The LP3875ESX-3.3/NOPB is designed to deliver a fixed output voltage of 3.3V with a maximum output current of 1.5A, making it suitable for a wide range of electronic devices.

LP3875ESX-3.3/NOPB Features

• Ultra-Low Dropout Voltage: With a maximum dropout voltage of 0.55V at 1.5A, the LP3875ESX-3.3/NOPB ensures efficient power conversion even when the input voltage is close to the output voltage. This feature is particularly beneficial in battery-powered applications where the input voltage can drop significantly over time.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 73dB at 120Hz, which reduces the impact of input voltage ripple on the output voltage, ensuring a clean and stable power supply.
• Low Quiescent Current: The LP3875ESX-3.3/NOPB operates with a quiescent current of only 5 mA, which is crucial for minimizing power consumption in low-power and battery-operated devices.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection features, which safeguard the device and the connected circuitry from potential damage.
• Enable Control: The enable control feature allows for easy control of the regulator's operation, enabling or disabling the output voltage as needed.
• Surface Mount Packaging: The LP3875ESX-3.3/NOPB is available in a surface mount package, making it ideal for compact and space-constrained designs.
• Positive Output Configuration: The regulator provides a positive output configuration, ensuring compatibility with a wide range of electronic systems.

LP3875ESX-3.3/NOPB Applications

The LP3875ESX-3.3/NOPB is well-suited for a variety of applications where efficient power management and reliability are critical. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator ideal for portable electronics and battery-operated devices where power efficiency is paramount.
• Embedded Systems: The regulator's fast transient response and high PSRR ensure stable power supply in embedded systems, reducing the risk of voltage fluctuations affecting system performance.
• Consumer Electronics: The LP3875ESX-3.3/NOPB can be used in consumer electronics such as smartphones, tablets, and other portable devices that require a stable and efficient power supply.
• Industrial Applications: The regulator's robust protection features and reliable performance make it suitable for industrial applications where durability and reliability are essential.

Conclusion of LP3875ESX-3.3/NOPB

The LP3875ESX-3.3/NOPB from National Semiconductor is a versatile and high-performance linear voltage regulator that offers significant advantages over similar models. Its ultra-low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring efficient power management and stable operation. The inclusion of advanced protection features and enable control further enhances its reliability and flexibility. Whether used in battery-powered devices, embedded systems, consumer electronics, or industrial applications, the LP3875ESX-3.3/NOPB stands out as a reliable and efficient solution for power regulation.