BD50HC5JEFJ-E2

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

The BD50HC5JEFJ-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 5 V output with a maximum current capacity 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 at full load, with a maximum of 930 mV. Quiescent current is specified at 900 µA. It includes integrated protection circuits for overcurrent, thermal shutdown, and soft start functionality.

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

• Integrated overcurrent protection circuit prevents IC damage during output short circuits.
• Built-in thermal shutdown circuit protects against thermal destruction under overload conditions.
• Soft start function limits inrush current during power-up sequences.

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

• Digital home appliances
• General-purpose electronic equipment requiring stable 5 V logic supplies

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

Verify the specific suffix EFJ-E2 to confirm the HTSOP-J8 package and RoHS compliance status. Confirm that the application does not require automotive qualification, as this standard-grade product is explicitly noted as not recommended for vehicle use. Check datasheet revisions for any updates to electrical characteristics or pin configurations before finalizing designs.

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

Select this component when a fixed 5 V rail is required with up to 1.5 A load capability and an input supply between 4.5 V and 8 V. It is suitable for designs prioritizing compact SMD packaging via the HTSOP-J8 form factor. Ensure thermal management accounts for the 2.11 W power dissipation limit if operating near maximum input/output differentials.

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

This part belongs to the BD50HC5 series of high-current LDO regulators from ROHM. It shares electrical characteristics with the BD50HC5WEFJ model but utilizes a distinct production line optimized for efficiency. The JEFJ suffix denotes the specific HTSOP-J8 package variant designed for surface-mount assembly with improved heat dissipation capabilities compared to standard plastic packages.

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

BD50HC5WEFJ-E2: Electrically equivalent alternative produced on a different manufacturing line with identical specifications. BD50HC5MEFJ-ME2: Automotive-grade version with extended temperature range (-40°C to +105°C) and AEC-Q100 qualification, though it may exhibit higher dropout voltage.