Texas Instruments

LP38503TS-ADJ/NOPB

LP38503TS-ADJ/NOPB Description

The LP38503TS-ADJ/NOPB is a high-performance linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and offers adjustable output voltage capabilities. It is ideal for applications requiring a robust and efficient power supply solution. The LP38503TS-ADJ/NOPB features a maximum input voltage of 5.5V and can deliver a continuous output current of up to 3A. The regulator is designed with a single output configuration, providing a positive voltage output that can be adjusted from a minimum of 0.6V to a maximum of 5V. The dropout voltage is exceptionally low at 0.67V under a 3A load, ensuring high efficiency even at low input-to-output voltage differentials. The regulator also boasts a low quiescent current of 15 µA and a supply current of up to 4 mA, making it suitable for low-power applications. It is housed in a surface-mount DDPAK package and is available in a tube packaging format. The LP38503TS-ADJ/NOPB is REACH unaffected, RoHS3 compliant, and has a moisture sensitivity level (MSL) of 3 (168 hours), ensuring it meets stringent environmental and reliability standards.

LP38503TS-ADJ/NOPB Features

• Adjustable Output Voltage: The LP38503TS-ADJ/NOPB offers an adjustable output voltage range from 0.6V to 5V, providing flexibility for various power supply requirements.
• High Output Current: Capable of delivering a maximum output current of 3A, this regulator is suitable for applications requiring high current loads.
• Low Dropout Voltage: With a dropout voltage of only 0.67V at 3A, the LP38503TS-ADJ/NOPB ensures high efficiency and minimal power loss.
• Low Quiescent Current: The regulator features a low quiescent current of 15 µA, making it ideal for low-power and battery-operated applications.
• Protection Features: The LP38503TS-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, ensuring stable output voltage under varying input conditions.
• Surface-Mount Packaging: The DDPAK package is suitable for surface-mount assembly, providing a compact and reliable solution for modern PCB designs.

LP38503TS-ADJ/NOPB Applications

The LP38503TS-ADJ/NOPB is well-suited for a variety of applications where a reliable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles that require high current and low dropout voltage.
• Industrial Equipment: Suitable for industrial applications where a robust and efficient power supply is necessary, such as in motor drives and control systems.
• Telecommunications: Can be used in telecom equipment for providing stable power to sensitive components, ensuring reliable operation.
• Automotive: The regulator's high current capability and low dropout voltage make it suitable for automotive applications, such as in-vehicle infotainment systems and electronic control units.
• Medical Devices: The low quiescent current and high PSRR make the LP38503TS-ADJ/NOPB ideal for medical devices that require stable and efficient power supply solutions.

Conclusion of LP38503TS-ADJ/NOPB

The LP38503TS-ADJ/NOPB from Texas Instruments is a versatile and high-performance linear voltage regulator that offers adjustable output voltage, high current capability, 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. The regulator's robust protection features and surface-mount packaging ensure reliable operation and ease of integration into modern PCB designs. The LP38503TS-ADJ/NOPB is an excellent choice for engineers seeking a reliable and efficient power supply solution that meets stringent environmental and reliability standards.