Texas Instruments

LP38693QSD-3.3/NOPB  

Linear & Switching Voltage Regulators

LP38693QSD-3.3/NOPB Description

The LP38693QSD-3.3/NOPB is a high-performance linear regulator designed by Texas Instruments, specifically tailored for automotive applications. This device offers a fixed output voltage of 3.3V and is capable of delivering up to 500mA of output current. It features a maximum input voltage of 10V and a dropout voltage of only 0.55V at full load, ensuring efficient operation even under varying input conditions. The regulator is designed with a low quiescent current of 55 µA, making it suitable for applications where power efficiency is critical. The LP38693QSD-3.3/NOPB also includes an enable control feature and over-temperature protection, enhancing its reliability and versatility.

LP38693QSD-3.3/NOPB Features

• Output Type: Fixed at 3.3V, ensuring stable power supply for sensitive electronics.
• Input Voltage Range: Up to 10V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 500mA, suitable for a wide range of applications.
• Low Dropout Voltage: Only 0.55V at 500mA, minimizing power loss and improving efficiency.
• Low Quiescent Current: 55 µA, ideal for low-power and battery-operated devices.
• Enable Control: Allows for dynamic control of the regulator's operation, enhancing power management.
• Over-Temperature Protection: Ensures safe operation under varying environmental conditions.
• High PSRR: 55dB at 120Hz, reducing noise and improving signal integrity.
• Automotive Grade: Certified for use in automotive applications, meeting stringent reliability standards.
• Surface Mount: Available in a 6-lead WSON package, suitable for compact and high-density designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.

LP38693QSD-3.3/NOPB Applications

The LP38693QSD-3.3/NOPB is well-suited for a variety of applications, particularly in the automotive sector. Its low dropout voltage and high PSRR make it ideal for powering sensitive electronics in vehicles, such as infotainment systems, onboard computers, and advanced driver-assistance systems (ADAS). The regulator's low quiescent current and enable control feature make it suitable for applications requiring efficient power management, such as battery-backed systems and energy-efficient devices. Additionally, its compact surface-mount package and automotive-grade reliability make it a preferred choice for space-constrained and high-reliability applications.

Conclusion of LP38693QSD-3.3/NOPB

The LP38693QSD-3.3/NOPB from Texas Instruments is a robust and efficient linear regulator designed for automotive applications. Its unique combination of low dropout voltage, low quiescent current, and high PSRR sets it apart from similar models, offering superior performance and reliability. The enable control and over-temperature protection features further enhance its versatility and safety. Whether powering sensitive electronics in vehicles or ensuring efficient power management in compact devices, the LP38693QSD-3.3/NOPB is an ideal choice for engineers seeking a reliable and high-performance power solution.

LP38693QSD-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LP38693QSD-3.3/NOPB

Datasheets :

LP38691,93      

Design Resources :

LP38693-Q1 Design with WEBENCH® Power Designer      

HTML Datasheet :

LP38691,93      

PCN Design/Specification :

Data Sheet Chg 3/Feb/2016