Texas Instruments

LP38691DT-1.8  

Linear & Switching Voltage Regulators

LP38691DT-1.8 Description

The LP38691DT-1.8 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 1.8V and a maximum output current of 500mA. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a TO-252-3 package, making it suitable for surface mount applications. The regulator is designed to operate with an input voltage range up to 10V, ensuring compatibility with a variety of power sources.

LP38691DT-1.8 Features

• Output Type: Fixed at 1.8V, ensuring stable power supply for sensitive electronic components.
• 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 low-power applications.
• Low Quiescent Current: Only 55 µA, which minimizes power consumption during operation, making it ideal for battery-powered devices.
• High PSRR: 55dB at 120Hz, effectively reducing noise and ripple in the output voltage.
• Over Temperature Protection: Ensures reliable operation and prevents damage due to overheating.
• Low Supply Current: Maximum of 100 µA, contributing to high efficiency and minimal power loss.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating excellent resistance to moisture, suitable for various environmental conditions.
• Compliance: REACH Affected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Packaging: Supplied in a tube package, facilitating easy handling and integration into manufacturing processes.

LP38691DT-1.8 Applications

The LP38691DT-1.8 is ideal for a variety of applications where a stable and efficient power supply is required. Its low quiescent current and high PSRR make it particularly suitable for:

• Battery-Powered Devices: Ensuring long battery life and stable operation.
• Consumer Electronics: Providing reliable power for devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Offering a robust power solution for low-power industrial applications.
• Medical Devices: Ensuring stable power supply for sensitive medical equipment.
• Telecommunications: Suitable for powering low-power components in communication devices.

Conclusion of LP38691DT-1.8

The LP38691DT-1.8 from Texas Instruments stands out in the market due to its combination of high performance and efficiency. With its fixed 1.8V output and ability to deliver up to 500mA, it offers a reliable power solution for a wide range of applications. The device's low quiescent current and high PSRR ensure minimal power loss and reduced noise, making it ideal for sensitive electronic systems. Its compliance with environmental standards and robust packaging further enhance its appeal. Overall, the LP38691DT-1.8 is a versatile and efficient choice for designers seeking a high-quality linear regulator.

LP38691DT-1.8 Documents

Download datasheets and manufacturer documentation for LP38691DT-1.8

PCN Assembly/Origin :

LM29/LP/SM72x 16/Mar/2022      

Datasheets :

LP38691(-Q1),LP38693(-Q)      

Design Resources :

LP38691 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

EOL 18/Sept/2023      

HTML Datasheet :

LP38691(-Q1),LP38693(-Q)      

PCN Design/Specification :

Data Sheet Chg 3/Feb/2016