STMicroelectronics

L4931CD33-TRY

L4931CD33-TRY Description

The L4931CD33-TRY is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuits (PMIC) category and is specifically tailored for automotive applications. The L4931CD33-TRY features a fixed output voltage of 3.3V and can deliver a maximum output current of 250mA. It operates with a maximum input voltage of 20V and has a dropout voltage of 0.82V at 250mA, ensuring efficient power regulation even under varying load conditions.

L4931CD33-TRY Features

• Output Type: Fixed, providing a stable 3.3V output voltage.
• Input Voltage Range: Up to 20V, making suitable it for a wide range of input power sources.
• Output Current: Capable of delivering up to 250mA, ideal for powering various electronic components.
• Dropout Voltage: Low dropout voltage of 0.82V at 250mA, enhancing efficiency and reducing power loss.
• Protection Features: Over-current and over-temperature protection, ensuring robustness and reliability in demanding environments.
• Mounting Type: Surface mount, suitable for compact and space-constrained designs.
• Package: Tape & Reel (TR facilitating), efficient manufacturing and assembly processes.
• Regulation Accuracy: High regulation accuracy ensures stable power supply to sensitive electronic circuits.
• Power Supply Rejection Ratio (PSRR): 73dB to 55dB across a frequency range of 120Hz to 10kHz, providing excellent noise suppression.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for a wide range of manufacturing conditions.

L4931CD33-TRY Applications

The L4931CD33-TRY is ideal for a variety of applications, particularly in the automotive sector, where reliability and efficiency are paramount. Its fixed 3.3V output and robust protection features make it suitable for powering microcontrollers, sensors, and other low-power electronic devices. The low dropout voltage ensures efficient power regulation, even when the input voltage is close to the output voltage, which is crucial in automotive applications where the battery voltage can vary significantly.

Specific use cases include:

• Automotive Electronics: Ideal for powering electronic control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS).
• Industrial Applications: Suitable for powering sensors, actuators, and control systems in industrial environments.
• Consumer Electronics: Can be used in portable devices and appliances where a stable and efficient power supply is required.

Conclusion of L4931CD33-TRY

The L4931CD33-TRY from STMicroelectronics is a versatile and reliable linear voltage regulator designed for demanding automotive and industrial applications. Its fixed 3.3V output, low dropout voltage, and robust protection features make it an excellent choice for powering sensitive electronic components. The device's compliance with environmental and regulatory standards, along with its surface mount packaging, ensures ease of integration into modern electronic designs. Whether used in automotive systems, industrial control units, or consumer electronics, the L4931CD33-TRY provides a stable and efficient power solution, making it a standout choice in the power management IC market.