ROHM Semiconductor

BD33HA3VEFJ-ME2

BD33HA3VEFJ-ME2 Description

The BD33HA3VEFJ-ME2 is a high-performance, fixed-output voltage regulator designed for automotive applications, manufactured by ROHM Semiconductor. This regulator offers a stable 3.3V output voltage with a maximum input voltage of 8V and a current output capability of 300mA. It is designed to meet the stringent requirements of the automotive industry, ensuring reliable performance in demanding environments. The regulator features a low dropout voltage of 1.2V at 300mA, which allows it to maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in automotive applications where the input voltage can vary significantly.

BD33HA3VEFJ-ME2 Features

• Fixed Output Voltage: The BD33HA3VEFJ-ME2 provides a stable 3.3V output voltage, making it suitable for applications requiring a fixed voltage supply.
• High Input Voltage Range: With a maximum input voltage of 8V, this regulator can handle a wide range of input voltages, ensuring compatibility with various power sources.
• Low Dropout Voltage: The regulator has a dropout voltage of 1.2V at 300mA, enabling it to maintain regulation even with low input-to-output voltage differences.
• Control Features: The BD33HA3VEFJ-ME2 includes enable and soft start features, providing enhanced control over the power-up sequence and ensuring smooth transitions.
• Protection Features: Over-current, over-temperature, and short-circuit protections are integrated to safeguard the regulator and connected components from potential damage.
• Automotive Grade: Designed to meet automotive standards, this regulator ensures reliable performance in harsh environments.
• Surface Mount Packaging: The surface mount package type facilitates easy integration into compact and space-constrained designs.
• Compliance: The BD33HA3VEFJ-ME2 is REACH unaffected and RoHS3 compliant, adhering to environmental and regulatory standards.
• Moisture Sensitivity Level: The MSL level 1 (unlimited) rating ensures the component can withstand high humidity conditions without degradation.

BD33HA3VEFJ-ME2 Applications

The BD33HA3VEFJ-ME2 is ideal for a variety of automotive applications where a stable and reliable power supply is crucial. Some specific use cases include:

• In-Car Electronics: Powering infotainment systems, GPS navigation units, and other electronic devices within the vehicle.
• Sensors and Actuators: Providing a stable power source for various sensors and actuators used in modern automobiles.
• ECUs (Electronic Control Units): Ensuring reliable power supply for critical ECUs that control engine management, transmission, and other vital functions.
• Battery Management Systems: Supplying power to battery management systems that monitor and control the vehicle's battery health.

Conclusion of BD33HA3VEFJ-ME2

The BD33HA3VEFJ-ME2 from ROHM Semiconductor is a robust and reliable fixed-output voltage regulator designed specifically for automotive applications. Its low dropout voltage, comprehensive protection features, and automotive-grade construction make it an ideal choice for powering sensitive electronic systems in vehicles. The enable and soft start features provide additional control, while the surface mount package ensures easy integration into compact designs. With its wide input voltage range, low quiescent current, and compliance with environmental standards, the BD33HA3VEFJ-ME2 stands out as a superior solution for automotive power management needs.