BD33HC0MEFJ-LBH2

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

The BD33HC0MEFJ-LBH2 is a single-output fixed low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum current capacity of 1 A. The device is housed in an HTSOP-J8 surface-mount package and is designed for automotive applications, holding AEC-Q100 qualification. It operates within a temperature range of -40°C to +105°C. Key electrical specifications include a typical dropout voltage of 600 mV at full load, line regulation of 25 mV, and load regulation of 25 mV. The input voltage range extends from a minimum of 4.5 V to a maximum of 8 V.

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

• AEC-Q100 qualified for automotive reliability standards
• Integrated overcurrent protection and thermal shutdown circuits
• Fixed 3.3 V output with high accuracy
• Low quiescent current operation

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

• Automotive electronic control units
• In-vehicle infotainment systems
• Dashboard instrumentation power supplies
• Sensor module voltage regulation

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

Verify the specific suffix LBH2 against the official ROHM datasheet to confirm packaging and tape-and-reel specifications. Confirm the component status as NRND (Not Recommended for New Designs) before initiating procurement. Ensure compatibility with existing PCB footprints and validate that the HTSOP-J8 package dimensions meet assembly requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

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

Select this component when a robust, automotive-grade 3.3 V supply is required for 1 A loads. The HTSOP-J8 package offers thermal efficiency for compact designs. Consider the NRND status if designing new products; alternative newer series may be preferred for long-term availability. Verify input voltage constraints against the system's power rail to ensure the dropout voltage remains within acceptable limits under all operating conditions.

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

This LDO belongs to the BD33HC series, which focuses on high-current automotive regulators. The HC series typically features enhanced protection mechanisms compared to standard industrial counterparts. The ME2/LBH2 suffixes indicate specific manufacturing lines or packaging variants within the broader product family, ensuring consistency with ROHM's automotive quality protocols.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the NRND status, consult ROHM directly for recommended obsolescence alternatives or next-generation replacements suitable for automotive environments.