STMicroelectronics

LD29300V33  

Linear & Switching Voltage Regulators

LD29300V33 Description

The LD29300V33 is a linear regulator IC designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Power Management Integrated Circuits (PMIC) category and offers a fixed output voltage of 3.3V with a maximum output current of 3A. It is housed in a TO220AB package, making it suitable for through-hole mounting. Despite being marked as obsolete, the LD29300V33 remains a reliable choice for applications requiring a stable power supply.

LD29300V33 Features

• Fixed Output Voltage: The LD29300V33 provides a stable 3.3V output, ensuring consistent power supply for sensitive electronic components.
• High Current Capability: With a maximum output current of 3A, this regulator can power demanding applications without compromising performance.
• Low Dropout Voltage: A maximum dropout voltage of 0.7V at 3A ensures efficient power conversion, even when the input voltage is close to the output voltage.
• Protection Features: Over-current and over-temperature protection features safeguard the IC and connected components from damage.
• Low Quiescent Current: At 50 mA, the quiescent current is minimized, contributing to overall power efficiency.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 67dB at 120Hz ensures minimal noise and ripple in the output voltage.
• Compliance: The LD29300V33 is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, making it suitable for various environmental conditions.

LD29300V33 Applications

The LD29300V33 is ideal for a range of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers and other embedded components.
• Telecommunications: Ensuring stable power for base stations and other communication equipment.
• Industrial Control: Powering control systems and sensors in industrial environments.
• Consumer Electronics: Suitable for powering devices such as routers, modems, and other consumer electronics that require a stable 3.3V supply.

Conclusion of LD29300V33

The LD29300V33 from STMicroelectronics is a robust linear regulator that offers a fixed 3.3V output with a maximum current of 3A. Its low dropout voltage, high PSRR, and protection features make it a reliable choice for various applications. Despite being marked as obsolete, the LD29300V33 continues to be a valuable component for engineers and designers seeking a stable and efficient power supply solution. Its compliance with environmental and regulatory standards further enhances its suitability for modern electronics applications.

LD29300V33 Documents

Download datasheets and manufacturer documentation for LD29300V33