STMicroelectronics

LF33CV  

Linear & Switching Voltage Regulators

LF33CV Description

The LF33CV is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its robust performance and reliability. With a fixed output type, the LF33CV provides a stable 3.3V output with a maximum input voltage of 16V. It is capable of delivering an output current of up to 500mA, making it suitable for a wide range of applications.

LF33CV Features

• Output Configuration: The LF33CV features a positive output configuration, which is ideal for applications requiring a single polarity power supply.
• Voltage Dropout: The maximum voltage dropout is 0.7V at 500mA, ensuring efficient power delivery even under heavy load conditions.
• PSRR: The power supply rejection ratio (PSRR) ranges from 80dB to 65dB, providing excellent noise immunity and stability.
• Protection Features: The LF33CV includes over current and over temperature protection, safeguarding the device and the system it powers.
• Mounting Type: This regulator is designed for through-hole mounting, making it compatible with a variety of PCB designs.
• Package: The LF33CV is available in a tube package, which is suitable for automated pick-and-place assembly processes.

LF33CV Applications

The LF33CV is ideal for applications that require a stable and reliable 3.3V power supply. Some specific use cases include:

• Industrial Control Systems: Due to its robustness and ability to handle a wide range of input voltages, the LF33CV is well-suited for industrial control systems where reliability is crucial.
• Consumer Electronics: In consumer electronics, such as smartphones and tablets, the LF33CV can provide a stable power supply for various components.
• Automotive Systems: The LF33CV's ability to handle a wide range of input voltages makes it an excellent choice for automotive systems, where voltage fluctuations are common.

Conclusion of LF33CV

The LF33CV is a versatile and reliable linear voltage regulator that stands out for its fixed output type, high output current capability, and robust protection features. Its positive output configuration, low voltage dropout, and excellent PSRR make it an ideal choice for a variety of applications, from industrial control systems to consumer electronics. With its through-hole mounting and tube packaging, the LF33CV is designed for easy integration into existing systems, ensuring a seamless upgrade or replacement process.

LF33CV Documents

Download datasheets and manufacturer documentation for LF33CV

PCN Assembly/Origin :

Mult Dev 13/Sep/2023      

Datasheets :

LFxx      

Design Resources :

Cooling Requirements for Linear Voltage Regulator      

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PCN Design/Specification :

Back Metal Conversion 21/Jun/2016