Texas Instruments

LP38690SD-1.8/NOPB  

Linear & Switching Voltage Regulators

LP38690SD-1.8/NOPB Description

The LP38690SD-1.8/NOPB is a high-performance linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and is ideal for applications requiring a stable and efficient power supply. The device features a fixed output voltage of 1.8V and can deliver a maximum output current of 1A. It is designed to operate with an input voltage range up to 10V, making it suitable for a variety of electronic systems.

The LP38690SD-1.8/NOPB is housed in a 6-lead WSON package, which is optimized for surface-mount applications. This compact form factor ensures minimal footprint on the PCB while maintaining high thermal performance. The regulator boasts a low dropout voltage of 1.6V at 1A, which is crucial for maintaining efficiency in low-input voltage scenarios. Additionally, it features a low quiescent current of 55 µA, contributing to its overall efficiency and making it suitable for battery-powered devices.

The regulator includes over-temperature protection, ensuring reliable operation under varying environmental conditions. It also offers a high power supply rejection ratio (PSRR) of 55dB at 120Hz, which helps in filtering out noise from the input supply, thereby improving the stability and quality of the output voltage.

LP38690SD-1.8/NOPB Features

• Fixed Output Voltage: 1.8V, ensuring a stable power supply for sensitive electronic components.
• High Output Current: Capable of delivering up to 1A, suitable for applications requiring significant power.
• Low Dropout Voltage: 1.6V @ 1A, enhancing efficiency in low-input voltage conditions.
• Low Quiescent Current: 55 µA, contributing to energy savings and prolonged battery life.
• Over-Temperature Protection: Ensures safe operation under varying environmental conditions.
• High PSRR: 55dB at 120Hz, providing a clean and stable output voltage.
• Compact Packaging: 6-lead WSON package, ideal for space-constrained designs.
• Surface Mount: Suitable for automated assembly processes, reducing production costs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LP38690SD-1.8/NOPB Applications

The LP38690SD-1.8/NOPB is well-suited for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for powering sensors, controllers, and other low-power devices in industrial settings.
• Medical Devices: Provides a reliable power supply for medical equipment where stability and efficiency are paramount.
• Automotive Electronics: Can be used in automotive applications where a compact and efficient regulator is required.
• Battery-Powered Devices: Its low quiescent current and high efficiency make it suitable for battery-powered applications, extending battery life.

Conclusion of LP38690SD-1.8/NOPB

The LP38690SD-1.8/NOPB from Texas Instruments is a versatile and efficient linear voltage regulator that stands out in its category. Its combination of a fixed 1.8V output, high output current capability, low dropout voltage, and low quiescent current make it an excellent choice for a wide range of applications. The inclusion of over-temperature protection and high PSRR further enhances its reliability and performance. With its compact 6-lead WSON package and surface-mount compatibility, the LP38690SD-1.8/NOPB is ideal for modern electronic designs that require both space efficiency and high performance.

LP38690SD-1.8/NOPB Documents

Download datasheets and manufacturer documentation for LP38690SD-1.8/NOPB

PCN Assembly/Origin :

Qualification Assembly/Test Site 27/Dec/2013      

Datasheets :

LP38690, LP38692      

Design Resources :

LP38690 Design with WEBENCH® Power Designer      

PCN Design/Specification :

Data Sheet Chg 3/Feb/2016       Wire Base Metal 05/Oct/2016