Texas Instruments

LP38691DT-1.8/NOPB  

Linear & Switching Voltage Regulators

LP38691DT-1.8/NOPB Description

The LP38691DT-1.8/NOPB 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 IC (PMIC) category and is housed in a TO252-3 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 wide range of power sources. With a maximum supply current of only 100 µA and a quiescent current of 55 µA, the LP38691DT-1.8/NOPB is highly efficient, minimizing power consumption in low-load conditions.

LP38691DT-1.8/NOPB Features

• Fixed Output Voltage: The LP38691DT-1.8/NOPB provides a stable 1.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: Capable of delivering up to 500mA, this regulator is suitable for applications requiring moderate to high current loads.
• Low Dropout Voltage: The device operates efficiently even with a small difference between the input and output voltages, enhancing overall system efficiency.
• Low Quiescent Current: With a quiescent current of 55 µA, the regulator minimizes power consumption during standby or low-load conditions, making it ideal for battery-powered devices.
• Over-Temperature Protection: Integrated over-temperature protection ensures the device remains safe and reliable under varying operating conditions.
• High Power Supply Rejection Ratio (PSRR): The 55dB PSRR at 120Hz helps in filtering out noise from the power supply, resulting in cleaner output voltage.
• Compliance and Reliability: The LP38691DT-1.8/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. The moisture sensitivity level (MSL) of 2 (1 Year) further enhances its reliability in various environmental conditions.

LP38691DT-1.8/NOPB Applications

The LP38691DT-1.8/NOPB is well-suited for a variety of applications where stable and efficient power regulation is critical. Its fixed 1.8V output and 500mA current capability make it ideal for:

• Embedded Systems: Providing stable power to microcontrollers and other low-power embedded components.
• Consumer Electronics: Used in devices such as smartphones, tablets, and portable gaming consoles to ensure reliable power supply.
• Industrial Applications: Suitable for powering sensors, actuators, and other industrial control systems.
• Telecommunications: Ideal for powering communication modules and other low-power components in networking equipment.
• Battery-Powered Devices: The low quiescent current and high efficiency make it a perfect choice for applications where battery life is a key consideration.

Conclusion of LP38691DT-1.8/NOPB

The LP38691DT-1.8/NOPB from Texas Instruments is a robust and efficient linear regulator designed to meet the demands of modern electronic systems. Its combination of a fixed 1.8V output, high output current capability, and low quiescent current sets it apart from similar models, making it an excellent choice for a wide range of applications. The device's compliance with environmental and regulatory standards, along with its over-temperature protection and high PSRR, ensures reliability and performance in various operating conditions. Whether used in embedded systems, consumer electronics, or industrial applications, the LP38691DT-1.8/NOPB delivers stable and efficient power regulation, making it a valuable component in any design.

LP38691DT-1.8/NOPB Documents

Download datasheets and manufacturer documentation for LP38691DT-1.8/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification (PDF)      

Models :

LP38691DT-1.8/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

Current Sense Amplifiers (Rev. D)       Low Dropout Regulators Quick Reference Guide (Rev. P)      

SPICE Models :

LP38691_3P3 Unencrypted PSpice Transient Model       LP38691_3P3 PSpice Transient Model