Texas Instruments

LP5900SDX-2.8  

Linear & Switching Voltage Regulators

LP5900SDX-2.8 Description

The LP5900SDX-2.8 is a fixed-output linear regulator designed for high performance and reliability in power management applications. Manufactured by Texas Instruments, this device is part of the Power Management IC (PMIC) category and is known for its robust design and efficient power delivery. The LP5900SDX-2.8 features a fixed output voltage of 2.8V, capable of delivering up to 150mA of current. It operates with an input voltage range up to 5.5V, making it suitable for a variety of applications where stable power supply is critical.

LP5900SDX-2.8 Features

• Output Type: Fixed, ensuring a stable 2.8V output voltage.
• Input Voltage Range: Up to 5.5V, providing flexibility in power source selection.
• Output Current: 150mA, sufficient for powering small to medium-sized electronic devices.
• Low Dropout Voltage: 0.15V at 150mA, which enhances efficiency and reduces power loss.
• Low Quiescent Current: 50 µA, minimizing power consumption during standby mode.
• Low Supply Current: 230 µA, contributing to overall energy efficiency.
• High PSRR: 85dB at 100Hz to 40dB at 100kHz, ensuring excellent noise rejection and stable output.
• Enable Control Feature: Allows for dynamic control of the regulator's operation.
• Protection Features: Over-temperature and short-circuit protection, safeguarding the device and connected components.
• Mounting Type: Surface Mount, suitable for compact and space-constrained designs.
• Package: Tape & Reel (TR), facilitating easy handling and integration into automated assembly processes.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring reliability in various environmental conditions.

LP5900SDX-2.8 Applications

The LP5900SDX-2.8 is ideal for a range of applications where a stable and efficient power supply is essential. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices, portable electronics, and embedded systems. The enable control feature allows for dynamic power management, making it a perfect fit for applications requiring power sequencing or sleep modes. The over-temperature and short-circuit protection features ensure robustness and reliability, making it suitable for industrial and automotive applications.

Conclusion of LP5900SDX-2.8

The LP5900SDX-2.8 from Texas Instruments stands out as a reliable and efficient linear regulator, offering a fixed 2.8V output with a maximum current of 150mA. Its low dropout voltage and high PSRR ensure minimal power loss and excellent noise rejection, making it ideal for battery-powered and portable devices. The enable control feature and comprehensive protection mechanisms further enhance its versatility and reliability. Despite being marked as obsolete, the LP5900SDX-2.8 remains a valuable component for applications requiring a stable and efficient power supply.

LP5900SDX-2.8 Documents

Download datasheets and manufacturer documentation for LP5900SDX-2.8