ROHM Semiconductor

BD433S2WFP3-CE2

BD433S2WFP3-CE2 Description

The BD433S2WFP3-CE2 is a high-performance, automotive-grade linear voltage regulator designed by ROHM Semiconductor. This device is specifically tailored for applications requiring a stable 3.3V output voltage with a maximum output current of 200mA. It features a quiescent current of only 90 µA, ensuring minimal power consumption during operation. The regulator is capable of handling input voltages up to 42V, making it suitable for a wide range of automotive power supply scenarios.

BD433S2WFP3-CE2 Features

• High PSRR: The BD433S2WFP3-CE2 boasts a Power Supply Rejection Ratio (PSRR) of 65dB at 120Hz, effectively filtering out noise from the input power supply and ensuring a clean output voltage.
• Low Dropout Voltage: With a maximum dropout voltage of 0.45V at 100mA, this regulator can maintain regulation even when the input voltage is close to the output voltage, enhancing efficiency in low-headroom applications.
• Protection Features: The device includes comprehensive protection mechanisms such as over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and the connected circuitry from potential damage.
• Enable Control: The regulator features an enable control pin, allowing for dynamic control of the device's operation, which is particularly useful in power management systems where precise control is required.
• Automotive Grade: Certified for automotive applications, the BD433S2WFP3-CE2 meets the stringent reliability and performance standards required for automotive electronics.
• Surface Mount Packaging: The regulator is available in a surface mount package, facilitating easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level (MSL): The device has an MSL of 1 (Unlimited), making it suitable for a variety of manufacturing environments without the need for special handling precautions.

BD433S2WFP3-CE2 Applications

The BD433S2WFP3-CE2 is ideally suited for a range of automotive applications where a stable and reliable power supply is critical. Specific use cases include:

• Onboard Electronics: Providing a stable 3.3V supply to microcontrollers, sensors, and other onboard electronic systems in vehicles.
• Infotainment Systems: Ensuring reliable power for infotainment systems, including radios, navigation systems, and other multimedia devices.
• Safety Systems: Supplying power to critical safety systems such as airbag controllers, ABS systems, and other electronic control units (ECUs).
• Battery Management Systems: Facilitating efficient power management in hybrid and electric vehicles by providing a stable voltage supply to battery management circuits.

Conclusion of BD433S2WFP3-CE2

The BD433S2WFP3-CE2 from ROHM Semiconductor stands out as a robust and reliable solution for automotive power management applications. Its combination of high PSRR, low dropout voltage, and comprehensive protection features make it an ideal choice for ensuring stable and efficient power supply in demanding automotive environments. With its automotive-grade certification and surface mount packaging, the BD433S2WFP3-CE2 is well-suited for integration into modern vehicle electronics systems, offering superior performance and reliability.