BD15IA5MEFJ-LBH2

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

The BD15IA5MEFJ-LBH2 is a low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It provides a fixed positive output voltage of 1.5 V with a maximum output current capability of 0.5 A. The device operates within an input voltage range of 2.4 V to 5.5 V and features a typical dropout voltage of 0.4 V at full load. It maintains high accuracy with a line regulation of 25 mV and load regulation of 25 mV. The component supports ceramic output capacitors and includes built-in protection circuits for over-current, thermal shutdown, and soft start functionality.

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

• High-accuracy fixed output voltage regulation suitable for precision automotive applications
• Integrated over-current protection and thermal shutdown circuits for enhanced reliability
• Capable of driving ceramic output capacitors to support compact system designs
• Includes soft-start function to minimize inrush current during power-up

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

• Automotive electronic control units requiring stable 1.5 V logic supply
• Infotainment systems needing low-noise power regulation
• Sensor interface circuits demanding precise voltage levels
• Body electronics modules operating under harsh thermal conditions

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

Verify the specific suffix LBH2 against official ROHM documentation to confirm industrial-grade long-term support status. Ensure compatibility with HTSOP-J8 packaging requirements. Confirm AEC-Q100 qualification if automotive deployment is intended. Cross-reference datasheet revisions to ensure parameter consistency with existing design specifications.

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

Select this component when a fixed 1.5 V output is required with 0.5 A capacity in automotive environments. Consider its low dropout characteristics for battery-powered systems. Evaluate thermal performance based on expected power dissipation in the HTSOP-J8 package. Verify that the input voltage range aligns with the system's power rail availability.

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

This part belongs to the BD15IA series of automotive LDO regulators from ROHM. It shares the HTSOP-J8 package form factor with other variants in the family but differs in output voltage and specific feature sets. The LBH2 suffix typically denotes long-term supply agreements for industrial or automotive markets, distinguishing it from standard commercial versions.

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

Check for BD15IA5WEFJ-E2 as a potential alternative, though verify operational temperature ranges and specific automotive qualifications. Ensure pinout compatibility and electrical parameters match before substitution.