BD30HC0WEFJ-E2

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

The BD30HC0WEFJ-E2 is a fixed-output Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a positive output voltage of 3.0V with a maximum continuous output current of 1.0A. The device supports a maximum absolute input voltage of 10V, with an operational input range between 4.5V and 8V. Key electrical parameters include a typical dropout voltage of 0.6V at full load, a line regulation of 0.03%, and a load regulation of 0.045%. The component operates within a junction temperature range up to 150°C and features a fixed output configuration.

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

• Integrated overcurrent protection circuit to prevent IC damage during output short circuits
• Shutdown function that reduces circuit current to 0µA when deactivated
• Thermal shutdown protection to prevent thermal destruction under overload conditions
• Soft start capability for controlled power-up sequences

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

• Digital home appliances requiring stable low-voltage power supplies
• General-purpose electronic equipment utilizing ceramic capacitors for miniaturization
• Standard-grade consumer electronics applications

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

Verify the specific suffix E2 against the manufacturer's official documentation to confirm compliance with RoHS standards and lead time specifications. Ensure the HTSOP-J8 package variant matches the required footprint for surface mount assembly. Confirm that the application environment remains within the standard operating temperature limits, as this model is explicitly not recommended for automotive use.

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

Select this component for designs requiring a fixed 3.0V rail with 1.0A capacity in a compact SMD package. The built-in protections simplify board design by reducing external component requirements. Consider the thermal dissipation capabilities of the HTSOP-J8 package relative to the expected power loss. Verify that the input voltage stays within the specified 4.5V to 8V operational window for optimal performance.

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

This regulator belongs to the BDxxHC0WEFJ series from ROHM, designed for high-accuracy fixed voltage outputs. The series utilizes the heat-efficient HTSOP-J8 package to support modern miniaturization trends. It is categorized under PMIC - Power Management ICs, specifically Linear LDO Regulators, targeting standard-grade commercial applications rather than harsh industrial or automotive environments.

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

The BD30HC5WEFJ-E2 is a documented alternative within the same family offering higher current capacity.