STMicroelectronics

L4931CZ33-AP

L4931CZ33-AP Description

The L4931CZ33-AP is a linear voltage regulator designed and manufactured by STMicroelectronics. This product is part of the Linear & Switching Voltage Regulators category and is known for its fixed output voltage of 3.3V and a maximum output current of 250mA. It is a single-output, positive configuration regulator with a maximum input voltage of 20V and a maximum supply current of 6mA. The L4931CZ33-AP is designed to operate with a quiescent current of 1mA and offers a power supply rejection ratio (PSRR) ranging from 73dB to 55dB across frequencies from 120Hz to 10kHz.

L4931CZ33-AP Features

• Fixed Output Voltage: The L4931CZ33-AP provides a stable 3.3V output, making it ideal for applications requiring a consistent voltage level.
• High PSRR: With a PSRR of 73dB at 120Hz to 55dB at 10kHz, this regulator effectively rejects noise from the power supply, ensuring clean output voltage.
• Low Voltage Dropout: The maximum voltage dropout is 0.8V at 250mA, which is beneficial for applications with low headroom.
• Protection Features: This regulator includes over current and over temperature protection, enhancing the reliability and safety of the system.
• RoHS Compliance: The L4931CZ33-AP is compliant with RoHS3, making it suitable for environmentally conscious designs.
• REACH Unaffected: The product is not affected by REACH regulations, ensuring uninterrupted supply and use within the European market.

L4931CZ33-AP Applications

The L4931CZ33-AP is well-suited for a variety of applications where a stable 3.3V supply is needed:

• Portable Electronics: Due to its low power consumption and small form factor, it is ideal for powering components in mobile devices.
• Industrial Control Systems: The robust protection features make it suitable for use in industrial environments where reliability is crucial.
• Automotive Electronics: The regulator's ability to handle a wide input voltage range and provide a stable output makes it a good fit for automotive applications.

Conclusion of L4931CZ33-AP

The L4931CZ33-AP from STMicroelectronics stands out for its fixed 3.3V output, low dropout voltage, and high PSRR. Its compliance with RoHS and REACH regulations, along with built-in protection features, make it a reliable choice for a wide range of applications. Whether used in portable electronics, industrial control systems, or automotive electronics, this regulator ensures stable and efficient power supply.