Texas Instruments

LP38693SDX-3.3  

Linear & Switching Voltage Regulators

LP38693SDX-3.3 Description

The LP38693SDX-3.3 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V with a maximum output current of 500mA. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for applications requiring stable power supply solutions. The LP38693SDX-3.3 features a maximum input voltage of 10V and a dropout voltage of 0.55V at 500mA, ensuring efficient operation even under varying input conditions. The regulator is designed with a low quiescent current of 55 µA and a supply current of up to 100 µA, making it suitable for low-power applications. It also includes over-temperature protection to safeguard against thermal runaway, enhancing reliability in automotive and other demanding environments.

LP38693SDX-3.3 Features

• Fixed Output Voltage: The LP38693SDX-3.3 provides a stable 3.3V output, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a dropout voltage of 0.55V at 500mA, this regulator maintains high efficiency across a wide range of input voltages.
• Low Quiescent Current: The 55 µA quiescent current minimizes power consumption, making it ideal for battery-powered and low-power applications.
• Over-Temperature Protection: This feature ensures the device remains within safe operating temperatures, enhancing reliability and longevity.
• Automotive Grade: Certified for automotive applications, the LP38693SDX-3.3 meets stringent industry standards for durability and performance.
• Surface Mount Technology: surface The mount package allows for compact and reliable integration into modern circuit designs.
• Moisture Sensitivity Level 1: The device is suitable for unlimited exposure to moisture, making it robust for various environmental conditions.

LP38693SDX-3.3 Applications

The LP38693SDX-3.3 is well-suited for a variety of applications, particularly those requiring stable and efficient power regulation. Key applications include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs) and other automotive systems that demand high reliability and low power consumption.
• Industrial Controls: Suitable for industrial automation and control systems where stable power supply is critical.
• Consumer Electronics: Can be used in portable devices, smartphones, and tablets to provide efficient power management.
• Telecommunications: Effective in powering base stations and other telecom equipment that require stable and efficient power regulation.

Conclusion of LP38693SDX-3.3

The LP38693SDX-3.3 from Texas Instruments is a robust and efficient linear regulator that offers a fixed 3.3V output with a maximum current of 500mA. Its low dropout voltage, low quiescent current, and over-temperature protection make it an ideal choice for a wide range of applications, particularly in automotive and industrial environments. Despite being marked as obsolete, the LP38693SDX-3.3 remains a reliable option for designers seeking a proven power management solution.

LP38693SDX-3.3 Documents

Download datasheets and manufacturer documentation for LP38693SDX-3.3

Datasheets :

LP38691(-Q1),LP38693(-Q)