BD18GA3MEFJ-LBH2

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

The BD18GA3MEFJ-LBH2 is a positive fixed linear low-dropout (LDO) voltage regulator manufactured by Rohm Semiconductor. It provides a fixed output voltage of 1.8 V with a maximum output current of 300 mA. The device operates within an input voltage range up to 14 V and features a typical dropout voltage of 1.2 V at full load. It is housed in an 8-HTSOP-J package with a bare pad for thermal dissipation, supporting surface-mount installation. The component includes internal protection circuits for overcurrent and thermal shutdown, along with a soft-start function. It is rated for operation between -40°C and +105°C.

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

• Integrated overcurrent protection and thermal shutdown circuits to prevent damage during fault conditions.
• Includes a soft-start function to limit inrush current during power-up sequences.
• Features an enable pin for controlling the on/off state of the regulator.

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

• Portable electronic devices requiring stable low-voltage power supplies
• Battery-powered equipment utilizing linear regulation
• General-purpose digital logic circuit power conditioning

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

Verify the specific suffix LBH2 against the official Rohm Semiconductor datasheet to confirm package dimensions and tape-and-reel specifications. Confirm that the component status is acceptable for new designs, as some variants may carry end-of-life notices. Ensure compatibility with the target PCB footprint for the 8-HTSOP-J package.

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

Select this regulator when a fixed 1.8 V output is required with moderate current demands up to 300 mA. Consider the 1.2 V dropout voltage relative to the minimum input voltage to ensure proper regulation under all operating conditions. Evaluate the thermal performance of the HTSOP-J package based on the expected power dissipation in the application environment.

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

This component belongs to the BD18GA series of high-accuracy LDO regulators from Rohm Semiconductor. These regulators are designed for applications requiring stable voltage regulation with built-in safety features. The series offers various fixed output voltages and is packaged in thermally efficient HTSOP-J housings suitable for space-constrained designs.

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

BD18GA3VEFJ-ME2 is listed as a similar alternative part number by distributors.