Texas Instruments

LP38691DTX-1.8  

Linear & Switching Voltage Regulators

LP38691DTX-1.8 Description

The LP38691DTX-1.8 is a highly efficient, fixed-output linear regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuits (PMIC) category and is ideal for applications requiring a stable 1.8V output voltage with a maximum output current of 500mA. The regulator is housed in a TO252-3 package, making it suitable for surface-mount applications. Despite its compact size, the LP38691DTX-1.8 offers robust performance and a range of protective features.

LP38691DTX-1.8 Features

• Output Type: Fixed, ensuring a stable 1.8V output voltage.
• Input Voltage Range: Capable of handling up to 10V, providing flexibility in power supply options.
• Output Current: Delivers a maximum of 500mA, suitable for a wide range of low-power applications.
• Low Quiescent Current: Features a quiescent current of 55µA, minimizing power consumption during operation.
• Low Dropout Voltage: Ensures efficient operation even at low input-to-output voltage differentials.
• Over-Temperature Protection: Includes built-in over-temperature protection to safeguard the device from thermal damage.
• High Power Supply Rejection Ratio (PSRR): Achieves 55dB at 120Hz, providing excellent noise filtering and stable output voltage.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), making it suitable for various environmental conditions.
• Compliance: REACH Unaffected and ECCN classified as EAR99, ensuring compliance with international regulatory standards.
• Packaging: Available in Tape & Reel (TR) format, facilitating easy handling and integration into automated assembly processes.

LP38691DTX-1.8 Applications

The LP38691DTX-1.8 is well-suited for a variety of applications that require a reliable and efficient power supply solution. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearable technology where low power consumption and stable voltage output are critical.
• Industrial Equipment: Suitable for low-power industrial sensors and controllers that need a compact and reliable power source.
• Medical Devices: Can be used in medical equipment where precise voltage regulation and low noise are essential for accurate measurements and reliable operation.
• Automotive Applications: Applicable in automotive electronics where robust performance and thermal protection are necessary.

Conclusion of LP38691DTX-1.8

The LP38691DTX-1.8 from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 1.8V output. Its low quiescent current, high PSRR, and over-temperature protection make it a reliable choice for a variety of low-power applications. Despite being marked as obsolete, the LP38691DTX-1.8 remains a valuable component for designers seeking a compact, efficient, and reliable power management solution. Its compliance with international standards and availability in surface-mount packaging further enhance its appeal in modern electronics design.

LP38691DTX-1.8 Documents

Download datasheets and manufacturer documentation for LP38691DTX-1.8

Datasheets :

LP38691(-Q1),LP38693(-Q)