BD9325FJ-LBE2

$1.95

Description：IC REG BUCK ADJ 2A 8SOPJ
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)

SKU:4d55921771c4 Category: Voltage Regulators - DC DC Switching Regulators Brand: Rohm Semiconductor

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 2A 8SOPJ
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.75V
Voltage - Input (Max)：18V
Voltage - Output (Min/Fixed)：0.9V
Voltage - Output (Max)：18V (Switch)
Current - Output：2A
Frequency - Switching：380kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOP-J
Grade：-
Qualification：-

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BD9325FJ-LBE2

Overview

The BD9325FJ-LBE2 is a single-channel synchronous buck DC-DC converter manufactured by ROHM Semiconductor. It integrates a low on-resistance power MOSFET with the controller to deliver up to 2A of continuous output current. The device operates within an input voltage range of 4.75V to 18V and supports adjustable output voltages from 0.9V to 16.2V. It features a fixed switching frequency of 380kHz and maintains a typical quiescent current of 80µA. The component is housed in an 8-pin SOP-J package and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

Integrates a low on-resistance power MOSFET with the control circuitry on a single chip to minimize external component count.
Employs current-mode control architecture to achieve fast transient response characteristics.
Simplifies phase compensation requirements due to the inherent stability of the control method.

Applications

Industrial equipment requiring compact step-down power solutions
Portable electronic devices needing efficient voltage regulation
Embedded systems utilizing wide input voltage ranges

Procurement Notes

Verify the specific suffix LBE2 against official datasheets to confirm synchronous rectification status, as non-synchronous variants exist within the same base model family. Ensure the ordering code matches the required packaging format and RoHS compliance standards before finalizing procurement orders.

Selection Notes

Select this component when designing circuits that require integrated power switching without external MOSFETs. It is suitable for applications prioritizing board space efficiency and simplified thermal management. Consider the 380kHz switching frequency for balancing component size against electromagnetic interference levels.

Part Context

This part belongs to the BD9325 series of monolithic DC-DC converters. The series is characterized by high integration levels, combining the controller and power switch into one package. This design philosophy aims to reduce solution size and cost while maintaining robust performance in standard industrial and commercial environments.

Replacement Considerations

The BD9325FJ-E2 is a documented variant within the same series. Verify if the specific application requires synchronous or non-synchronous operation, as these variants differ internally despite sharing similar electrical envelopes.