BD18HC5MEFJ-ME2

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

The BD18HC5MEFJ-ME2 is a single-output low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 1.8 V with a maximum output current of 1.5 A. The device operates within an input voltage range of 4.5 V to 8 V and features a typical dropout voltage of 600 mV, with a maximum of 900 mV. It includes protection functions such as overcurrent protection and thermal shutdown. The component is qualified under the AEC-Q100 standard for automotive applications and is housed in an HTSOP-J8 surface-mount package.

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

• Provides stable fixed 1.8 V output with high current capability up to 1.5 A
• Includes built-in overcurrent protection and thermal shutdown mechanisms
• Qualified for automotive environments according to AEC-Q100 standards

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

• Automotive electronic systems requiring regulated power supply
• Low-dropout regulation for sensitive onboard circuits
• Power management in automotive infotainment or control units

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

Verify the current lifecycle status before procurement, as this component may be marked as Not Recommended for New Designs (NRND). Confirm that the HTSOP-J8 package dimensions match your PCB footprint requirements. Ensure compatibility with the specified 4.5 V to 8 V input range for your specific application circuit. Check for any updated datasheet revisions that might affect pinout or electrical characteristics.

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

Select this regulator when a fixed 1.8 V output is required with up to 1.5 A load current in automotive environments. It is suitable for designs needing AEC-Q100 qualification and integrated protection against overcurrent and thermal stress. Consider the 600 mV typical dropout voltage when determining the minimum required input voltage relative to the load conditions.

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

This part belongs to the BD18HC5 series of LDO regulators from ROHM Semiconductor. It is designed specifically for automotive applications, offering high accuracy and reliability. The series typically includes variants with different output voltages and current ratings, all sharing similar protection features and automotive-grade qualification.

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

Check for direct substitutes within the BD18HC5 series or other ROHM automotive LDOs with matching 1.8 V output and 1.5 A current rating. Verify package compatibility (HTSOP-J8) and electrical specifications such as dropout voltage and input range. Consult official substitution guides for confirmed equivalent parts.