BD433M2EFJ-CE2

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

The BD433M2EFJ-CE2 is a fixed-output low dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum continuous current of 200 mA. The device operates within an input voltage range of 4.3 V to 42 V and features a typical quiescent current of 40 uA. Key electrical specifications include a ripple rejection ratio of 65 dB, a line regulation of 10 mV, and a load regulation of 10 mV. The unit is housed in an HTSOP-J8 surface-mount package and supports an operating junction temperature range from -40°C to +150°C.

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

• Provides a fixed 3.3 V output voltage with high accuracy for sensitive circuitry.
• Features low quiescent current consumption to enhance energy efficiency in battery-powered applications.
• Includes comprehensive protection mechanisms such as thermal shutdown and over-current protection.

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

• Automotive electronic systems requiring AEC-Q100 qualified components
• Industrial control equipment power management
• Consumer electronics utilizing low-power linear regulation

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

Verify the specific suffix CE2 against the manufacturer's latest datasheet to confirm pinout compatibility and packaging details. Ensure that the ordering information matches the exact part number required for your design, as variations may exist within the BD4xxS2-C series. Cross-reference the RoHS compliance status and lead times directly with authorized distributors prior to procurement.

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

Select this component when a fixed 3.3 V rail is needed with moderate current demands up to 200 mA. It is suitable for designs requiring high input voltage tolerance up to 42 V. Consider the HTSOP-J8 package constraints for PCB layout. Verify that the 4.3 V minimum input voltage meets your system's headroom requirements under all operating conditions.

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

This regulator belongs to the BD4xxS2-C series, which are designed for automotive and industrial applications. The series emphasizes low power consumption and robust performance across wide temperature ranges. The BD433 variant specifically targets 3.3 V logic supply needs, offering a reliable alternative to switching regulators in noise-sensitive environments.

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

Check for BD433S2EFJ-CE2 or BD433S2FP3-CE2 if package changes are acceptable. Verify functional equivalence regarding output voltage and current ratings before substitution.