BD15GA3WNUX-TR

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

The BD15GA3WNUX-TR is a fixed-output low-dropout regulator manufactured by ROHM Semiconductor. It provides a stable 1.5 V output with a maximum current capacity of 300 mA. The device operates within an input voltage range of 4.5 V to 14 V, supporting a maximum input of 15 V. It features a typical dropout voltage of 600 mV at full load and maintains high accuracy with ±1.0% output voltage tolerance at 25°C. Designed for surface-mount applications, it utilizes the compact VSON008X2030 package. The component supports a minimum operating temperature of -25°C and a maximum of +85°C, ensuring reliable performance in standard commercial environments.

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

• Integrates overcurrent protection, thermal shutdown, and soft-start functionality to safeguard against circuit faults and ensure stable power-up sequences.
• Incorporates an ON/OFF switch function that reduces standby current to 0 µA when disabled, optimizing energy efficiency in battery-powered systems.
• Utilizes ceramic output capacitors to facilitate system miniaturization and enhance long-term reliability compared to traditional electrolytic alternatives.

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

• Digital home appliances requiring stable low-voltage power rails
• Portable electronic devices utilizing battery or adapter power sources
• General-purpose embedded systems needing compact linear regulation

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

Verify the specific suffix '-TR' confirms the tape-and-reel packaging format required for automated assembly processes. Confirm that the fixed 1.5 V output variant aligns with the target circuit design, as the broader BDxxGA3WNUX family includes adjustable and other fixed voltage options. Ensure the -25°C to +85°C industrial temperature range meets the operational requirements of the final application environment before finalizing procurement.

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

Select this component when a compact surface-mount solution is required for generating a precise 1.5 V rail from higher input voltages up to 15 V. It is suitable for designs prioritizing small footprint via the VSON008X2030 package while maintaining 300 mA drive capability. Consider the specific dropout characteristics and thermal management needs associated with the chosen input-to-output voltage differential to ensure efficient operation within the specified temperature limits.

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

This part belongs to the BDxxGA3WNUX series of LDO regulators designed for digital equipment. The series offers both fixed and adjustable output variants, sharing common protective features like thermal and overcurrent shutdown. The BD15GA3WNUX-TR specifically addresses the need for a fixed 1.5 V supply in space-constrained applications, leveraging the thermal advantages of the VSON package for efficient heat dissipation in dense PCB layouts.

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

The BD15GA3MEFJ-ME2 serves as a pin-compatible alternative within the same product family, offering identical electrical specifications but housed in an HTSOP-J8 package instead of VSON. Designers must verify mechanical clearance and thermal performance differences between the VSON008X2030 and HTSOP-J8 footprints during substitution.