BD18GA3WEFJ-E2

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

The BD18GA3WEFJ-E2 is a high-accuracy low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed positive output voltage of 1.8 V with a maximum output current capability 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 specified at 900 mV. It exhibits a line regulation of 1% and load regulation of 1.5%. The component is housed in an HTSOP-J8 surface-mount package and supports operation across a temperature range from -25°C to +85°C.

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

• Delivers high-accuracy fixed output voltage regulation suitable for precision power supply applications.
• Enables efficient power management through low dropout characteristics allowing operation with minimal input-output differential.
• Supports surface-mount integration via compact HTSOP-J8 packaging for automated assembly processes.

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

• Portable electronic devices requiring stable 1.8 V logic supplies
• Battery-powered systems utilizing linear regulation for low noise performance
• Industrial control modules operating within standard commercial temperature ranges

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

Verify the complete part number including the suffix to ensure correct configuration. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Check for specific automotive or industrial grade variants if extended temperature ratings are required. Ensure compatibility with HTSOP-J8 footprint during PCB layout design.

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

Select this component when a fixed 1.8 V output is required with moderate current demands up to 300 mA. Consider the 4.5 V minimum input voltage constraint against available supply rails. Evaluate thermal dissipation capabilities based on the 2.11 W power dissipation rating. Compare line and load regulation specifications against system sensitivity requirements.

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

This regulator belongs to the BD18GA3WEFJ series of high-accuracy LDO regulators. It shares the HTSOP-J8 package form factor with other members of the family, such as the BD18HA3WEFJ-E2 and BD18GC0WEFJ-E2. These components are categorized under PMIC voltage regulators designed for general-purpose linear regulation tasks.

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

BD18HA3WEFJ-E2 offers similar electrical characteristics but may differ in specific regulatory parameters. BD18GC0WEFJ-E2 provides higher current capacity at 1 A. Verify pinout compatibility and thermal performance before substituting these alternative part numbers.