Texas Instruments

LP38690SD-5.0  

Linear & Switching Voltage Regulators

LP38690SD-5.0 Description

The LP38690SD-5.0 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 1A. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a 6-lead WSON package, making it suitable for surface mount applications. Despite being marked as obsolete, the LP38690SD-5.0 remains a reliable choice for applications requiring a stable power supply with minimal dropout voltage.

LP38690SD-5.0 Features

• Output Type: Fixed at 5V, ensuring a consistent power supply for various electronic devices.
• Input Voltage Range: The regulator can operate with a maximum input voltage of 10V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 1A, the LP38690SD-5.0 is suitable for applications with moderate power requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.8V at 1A, this regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: At 55 µA, the quiescent current is minimal, contributing to energy savings and prolonged battery life in portable devices.
• Over-Temperature Protection: Built-in over-temperature protection ensures the device remains safe and reliable under varying operating conditions.
• High PSRR: A power supply rejection ratio of 55dB at 120Hz helps in filtering out noise from the input power supply, resulting in cleaner output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Packaging: Available in tape and reel (TR) packaging, facilitating easy handling and integration into automated assembly processes.

LP38690SD-5.0 Applications

The LP38690SD-5.0 is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering portable devices such as smartphones, tablets, and digital cameras, where low quiescent current and low dropout voltage are crucial for extended battery life.
• Industrial Equipment: Suitable for industrial control systems and automation devices that require a reliable power source with minimal voltage fluctuations.
• Telecommunications: Can be used in base stations and communication equipment where a stable 5V supply is needed to ensure consistent performance.
• Medical Devices: Applicable in medical equipment such as diagnostic tools and monitoring devices, where precision and reliability are paramount.

Conclusion of LP38690SD-5.0

The LP38690SD-5.0 from Texas Instruments is a robust linear voltage regulator that offers a fixed 5V output with a maximum current capacity of 1A. Its low dropout voltage and minimal quiescent current make it an efficient choice for a wide range of applications, particularly in portable and battery-operated devices. Despite being marked as obsolete, the LP38690SD-5.0 continues to provide reliable performance and remains unaffected by REACH regulations. Its unique features, such as over-temperature protection and high PSRR, ensure stable operation and noise-free output, making it a valuable component in various electronic systems.

LP38690SD-5.0 Documents

Download datasheets and manufacturer documentation for LP38690SD-5.0

Datasheets :

LP38690, LP38692 Datasheet      

HTML Datasheet :

LP38690, LP38692 Datasheet