Texas Instruments

LP38500SDE-ADJ/NOPB

LP38500SDE-ADJ/NOPB Description

The LP38500SDE-ADJ/NOPB is a high-performance linear voltage regulator designed by Texas Instruments. It offers an adjustable output voltage ranging from 0.6V to 5V, making it suitable for a wide range of applications requiring precise voltage control. This regulator is designed to operate with a maximum input voltage of 5.5V and can deliver up to 1.5A of output current. The LP38500SDE-ADJ/NOPB features a low dropout voltage of 0.37V at 1.5A, ensuring efficient operation even at low input-to-output voltage differentials. Its quiescent current is a mere 15 µA, contributing to its high efficiency and suitability for low-power applications.

LP38500SDE-ADJ/NOPB Features

• Adjustable Output Voltage: The LP38500SDE-ADJ/NOPB provides an adjustable output voltage from 0.6V to 5V, offering flexibility for various power supply requirements.
• High Output Current: Capable of delivering up to 1.5A, this regulator is suitable for applications requiring high current loads.
• Low Dropout Voltage: With a dropout voltage of only 0.37V at 1.5A, the LP38500SDE-ADJ/NOPB ensures efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator features a low quiescent current of 15 µA, making it ideal for battery-powered and low-power applications.
• Protection Features: The LP38500SDE-ADJ/NOPB includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation and protection against common fault conditions.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 58dB to 56dB across the frequency range of 120Hz to 1kHz, minimizing the impact of input voltage variations on the output.
• Surface Mount Packaging: Available in a surface mount package (Tape & Reel), the LP38500SDE-ADJ/NOPB is suitable for automated assembly processes and compact designs.
• Compliance and Status: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It is also available in an unlimited moisture sensitivity level (MSL 1) package, making it suitable for various manufacturing environments.

LP38500SDE-ADJ/NOPB Applications

The LP38500SDE-ADJ/NOPB is ideal for a variety of applications where precise voltage regulation and high efficiency are required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable media players, where low power consumption and high efficiency are critical.
• Industrial Equipment: Suitable for industrial applications requiring stable voltage regulation, such as sensors, actuators, and control systems.
• Telecommunications: Can be used in various telecom equipment, including base stations and networking devices, where reliable power supply is essential.
• Automotive Electronics: Applicable in automotive applications, such as infotainment systems and electronic control units, where high current and low dropout voltage are necessary.
• Battery-Powered Devices: Perfect for battery-operated devices where low quiescent current and high efficiency are crucial for extending battery life.

Conclusion of LP38500SDE-ADJ/NOPB

The LP38500SDE-ADJ/NOPB from Texas Instruments is a versatile and high-performance linear voltage regulator that offers adjustable output voltage, high output current, and low dropout voltage. Its low quiescent current and high PSRR make it suitable for a wide range of applications, from consumer electronics to industrial and automotive systems. With its comprehensive protection features and compliance with environmental and regulatory standards, the LP38500SDE-ADJ/NOPB stands out as a reliable and efficient choice for power supply design.