Texas Instruments

LP8340CDTX-3.3/NOPB

LP8340CDTX-3.3/NOPB Description

The LP8340CDTX-3.3/NOPB is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V with a maximum output current of 1A. This device is housed in a TO252-3 package, making it suitable for surface mount applications. The regulator is designed to operate within an input voltage range up to 10V, ensuring a wide range of compatibility with various power sources. The LP8340CDTX-3.3/NOPB features a low dropout voltage of 1V at 1A, which allows it to maintain regulation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in applications where the input voltage may vary or be limited.

LP8340CDTX-3.3/NOPB Features

• Output Type: Fixed at 3.3V, ensuring a stable and reliable power supply for sensitive electronic components.
• Input Voltage Range: Up to 10V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 1A, suitable for a wide range of applications requiring moderate power.
• Low Dropout Voltage: 1V at 1A, enhancing efficiency and performance in low-headroom applications.
• Low Quiescent Current: 100 µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: 55dB at 120Hz, ensuring excellent noise rejection and clean output voltage.
• Protection Features: Over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Operating Temperature Range: 0°C to 125°C, making it suitable for use in a variety of environmental conditions.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Packaging: Tape & Reel (TR), facilitating easy handling and integration into automated assembly processes.

LP8340CDTX-3.3/NOPB Applications

The LP8340CDTX-3.3/NOPB is ideal for a variety of applications where a stable and efficient power supply is required. Its fixed 3.3V output and 1A current capability make it suitable for powering microcontrollers, sensors, and other low-power electronic devices. The low dropout voltage ensures that it can maintain regulation even with a limited input voltage margin, making it particularly useful in battery-powered applications where the input voltage may decrease over time. Additionally, the device's low quiescent current and high PSRR make it an excellent choice for applications requiring low power consumption and high noise immunity, such as in medical devices, industrial controls, and consumer electronics.

Conclusion of LP8340CDTX-3.3/NOPB

The LP8340CDTX-3.3/NOPB from Texas Instruments is a robust and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its fixed 3.3V output, low dropout voltage, and low quiescent current make it an ideal solution for a wide range of applications, from portable devices to industrial equipment. The inclusion of over-current and over-temperature protection ensures reliable operation and protection against potential faults. Despite its obsolete status, the LP8340CDTX-3.3/NOPB remains a valuable component for engineers and designers seeking a reliable and efficient power management solution.