BD18HC0WEFJ-E2

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

The BD18HC0WEFJ-E2 is a positive fixed low-dropout regulator manufactured by ROHM Semiconductor. It provides a stable 1.8 V output with a maximum current capability of 1.0 A. The device supports an input voltage range up to a maximum of 10 V and operates within a temperature range of -25 °C to +85 °C. It features a typical dropout voltage of 600 mV at full load and includes built-in overcurrent protection, thermal shutdown, and a shutdown function that reduces circuit current to 0 µA.

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

• Integrates overcurrent protection and thermal shutdown circuits to prevent IC damage during short circuits or overload conditions.
• Features a dedicated shutdown pin that allows the circuit current to be reduced to zero for power conservation.
• Supports ceramic output capacitors to facilitate equipment miniaturization and extended lifespan.

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

• Digital home appliances
• General-purpose electronic equipment requiring stable 1.8 V logic supplies

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

Verify the specific suffix E2 against the official datasheet to confirm package type and compliance status. Ensure the application environment remains within the specified -25 °C to +85 °C operating range. Confirm that the input voltage does not exceed the 10 V maximum withstand rating. Check for any recent lifecycle notices regarding new design recommendations or obsolescence from the manufacturer.

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

Select this component when a fixed 1.8 V rail is required with up to 1.0 A load capacity. It is suitable for designs prioritizing thermal protection and low quiescent current in shutdown mode. Consider the HTSOP-J8 package constraints for thermal dissipation. Verify compatibility with ceramic output capacitors as per the datasheet requirements.

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

This part belongs to the BD18HC0W series of high-accuracy LDO regulators from ROHM Semiconductor. The series is designed for digital applications, offering fixed voltage outputs with integrated protection features. The HTSOP-J8 package provides efficient heat dissipation for surface-mount assembly.

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

ROHM recommends the BD18HC5JEFJ for new developments due to improved production efficiency lines, noting identical electrical characteristics. Verify pinout and parameter equivalence before substitution.