BD90GA3MEFJ-ME2

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

The BD90GA3MEFJ-ME2 is a single-output low-dropout linear regulator manufactured by ROHM Semiconductor. It provides a fixed 9 V output with a maximum current of 300 mA. The device operates within an input voltage range of 4.5 V to 14 V and features a typical dropout voltage of 600 mV, with a maximum of 900 mV. It is housed in an HTSOP-J8 surface-mount package and supports an operating temperature range from -40°C to +105°C. The component holds AEC-Q100 qualification for automotive applications.

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

• AEC-Q100 qualified for automotive reliability standards
• Integrated overcurrent protection and thermal shutdown circuits
• High-accuracy fixed voltage regulation with ±1% tolerance
• Low quiescent current consumption for energy efficiency

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

• Automotive electronic control units
• On-board power distribution systems
• Digital appliance logic supply rails
• Industrial sensor interface circuits

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 your design requirements. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement. Ensure the HTSOP-J8 package footprint aligns with your PCB layout constraints. Check for any recent lifecycle updates or obsolescence notices directly from ROHM Semiconductor.

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

Select this component when a stable 9 V rail is required for automotive-grade applications. The wide input voltage range accommodates varying battery conditions. Consider the thermal dissipation capabilities given the 2.11 W power rating. Verify that the 300 mA load current does not exceed the device limits under worst-case thermal conditions. Compare dropout performance against other LDOs if headroom is limited.

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

This part belongs to the BD90GA3MEFJ series of automotive LDO regulators. It shares the HTSOP-J8 package and core protection features with other variants in the family, such as different output voltages. The series is designed to meet stringent automotive functional safety and reliability standards. It serves as a dedicated voltage regulation solution for sensitive digital and analog circuits in vehicle environments.

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

Check for direct substitutes like BD90GA3WEFJ-E2, noting differences in operating temperature ranges and qualification status. Verify pin compatibility and electrical specifications before swapping components. Ensure any replacement maintains AEC-Q100 compliance if used in automotive designs.