BD9328EFJ-LBE2

Overview

The BD9328EFJ-LBE2 is a synchronous buck converter from ROHM Semiconductor, featuring an integrated power MOSFET. It operates with an input voltage range of 4.2 V to 18 V and provides an adjustable output voltage between 900 mV and 12.6 V. The device supports a maximum output current of 2 A with a fixed switching frequency of 380 kHz. It functions within a temperature range of -40°C to +85°C and utilizes an HTSOP-J-8 package for surface mount installation.

Feature Summary

• Integrates a low on-resistance power MOSFET to minimize external component count
• Employs current mode control architecture for rapid transient response
• Features simplified phase compensation design requirements

Applications

• Industrial equipment power distribution
• Consumer electronics power management
• General-purpose DC-DC conversion systems

Procurement Notes

Verify the NRND (Not Recommended for New Designs) status before implementation. Confirm RoHS compliance details via official documentation. Ensure the HTSOP-J-8 package dimensions match PCB layout constraints. Validate that the 380 kHz switching frequency aligns with system EMI requirements.

Selection Notes

Select this component for applications requiring a compact solution with integrated switching elements. The wide input voltage range suits various supply rails. Consider the thermal performance in the HTSOP-J-8 package when designing for high load currents. Verify compatibility with the required output voltage adjustment range.

Part Context

This part belongs to the BD9328EFJ series of synchronous buck converters. It represents a class of integrated power switches designed for efficiency and size reduction. The series targets applications needing reliable step-down regulation without discrete MOSFET drivers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.