Texas Instruments

TPS7348QD

TPS7348QD Description

The TPS7348QD is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 4.85V and a maximum output current of 500mA. This regulator is designed for surface-mount applications and comes in an 8SOIC package. It is part of the Linear & Switching Voltage Regulators category and is known for its high efficiency and reliability in various electronic systems.

TPS7348QD Features

• Output Type: Fixed, providing a stable 4.85V output voltage.
• Input Voltage Range: Capable of handling up to 10V input voltage, ensuring compatibility with a wide range of power sources.
• Output Current: Delivers a maximum of 500mA, suitable for applications requiring moderate power output.
• Low Dropout Voltage: With a maximum dropout voltage of 0.15V at 500mA (typical), the TPS7348QD ensures high efficiency even at low input-to-output voltage differentials.
• Control Features: Includes enable and reset functionalities, allowing for precise control over the regulator's operation.
• Protection Features: Equipped with over-current, over-temperature, and reverse polarity protections, ensuring robust performance and reliability.
• Power Supply Current: Consumes a maximum of 550 µA, contributing to low power consumption and high efficiency.
• Noise Performance: Offers a Power Supply Rejection Ratio (PSRR) of 53dB to 50dB at 120Hz, ensuring low noise and high stability in the output voltage.
• Compliance: Meets REACH and RoHS3 compliance standards, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level (MSL): Rated at level 1 (unlimited), making it suitable for a wide range of manufacturing environments.

TPS7348QD Applications

The TPS7348QD is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable media players that require a stable 4.85V supply.
• Industrial Equipment: Suitable for low-power industrial sensors and control systems that need reliable voltage regulation.
• Telecommunications: Can be used in base stations and other telecom equipment where low dropout and high efficiency are critical.
• Automotive Electronics: Applicable in automotive infotainment systems and onboard electronics that require a fixed voltage supply.
• Medical Devices: Suitable for medical equipment that demands high reliability and low noise, such as portable diagnostic tools and monitoring devices.

Conclusion of TPS7348QD

The TPS7348QD from Texas Instruments is a versatile and reliable linear voltage regulator, offering a fixed 4.85V output with a maximum current of 500mA. Its low dropout voltage, comprehensive protection features, and low power consumption make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the TPS7348QD remains a robust solution for applications requiring a stable and efficient power supply. Its compliance with REACH and RoHS3 standards ensures it meets environmental and regulatory requirements, making it a responsible choice for modern electronics design.