BD33HA5VEFJ-ME2

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BD33HA5VEFJ-ME2 is a single-output, positive fixed linear low-dropout regulator manufactured by ROHM Semiconductor. It provides a stable 3.3V output with a maximum current capacity of 500mA. The device operates within an input voltage range of 4.5V to 8V and features a typical dropout voltage of 600mV at full load. Designed for automotive applications, it holds AEC-Q100 qualification and supports an operating temperature range from -40°C to +105°C. The component utilizes an 8-pin HTSOP-J surface-mount package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated protection circuits including overcurrent protection, thermal shutdown, and soft-start functionality to ensure operational safety under fault conditions.
• High-accuracy voltage regulation with a fixed output tolerance of ±1% at 25°C, ensuring precise power delivery for sensitive electronic loads.
• Automotive-grade reliability certified under AEC-Q100 standards, suitable for harsh environmental conditions and extended temperature ranges.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power supply modules for automotive infotainment systems
• Voltage regulation for automotive sensor interfaces
• Power management in automotive body control units

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix ME2 against the official datasheet to confirm pinout and electrical characteristics match the design requirements. Confirm AEC-Q100 certification status if automotive compliance is mandatory. Check for obsolescence notices as this series may have lifecycle restrictions. Ensure the HTSOP-J8 footprint matches the PCB layout specifications before finalizing procurement.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a 3.3V rail is required with up to 500mA load capability in automotive environments. Compare dropout voltage performance against system input voltage variations to ensure regulation stability. Consider the thermal dissipation capabilities of the HTSOP-J8 package relative to the expected ambient temperature and board copper area. Verify that the input voltage range of 4.5V to 8V aligns with the upstream power source constraints.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the BD33HA5 series of high-accuracy LDO regulators designed specifically for automotive use. It shares the same core architecture and output specifications as the BD33HA5MEFJ-ME2 but may differ in packaging or specific manufacturing lot attributes defined by the suffix. The series is characterized by its robust protection features and compliance with automotive quality standards.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

BD33HA5MEFJ-ME2 is listed as a manufacturer-recommended alternative. Verify pin compatibility and electrical parameter equivalence before substitution. No other public substitute part numbers are confirmed in the available documentation.