BD9D321EFJ-E2 - Rohm Semiconductor

Manufacturer Part Number

BD9D321EFJ-E2

Manufacturer

rohm-semi

Introduction

High-efficiency step-down switching regulator

Product Features and Performance

Adjustable output voltage range from 0.765V to 7V

Output current capability of 3A

700kHz switching frequency for optimal balance of efficiency and component size

Synchronous rectifier for improved efficiency

Wide input voltage range from 4.5V to 18V

Buck topology for efficient step-down voltage conversion

Supports surface mount technology for automated PCB assembly

Product Advantages

High efficiency reduces power loss and heat generation

Suitable for a broad range of input voltages

Compact 8-SOIC package saves board space

Integrated features for simpler circuit design and lower bill of materials

Key Technical Parameters

Input Voltage (Min): 4.5V

Input Voltage (Max): 18V

Output Voltage (Min/Fixed): 0.765V

Output Voltage (Max): 7V

Output Current: 3A

Switching Frequency: 700kHz

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Built-in thermal shutdown and overcurrent protection

Robust construction for high reliability

Operating temperature range ensures stability across various environments

Compatibility

Compatible with a variety of capacitive and inductive loads

Designed for easy integration into multiple circuit designs

Application Areas

Consumer electronics

Computing systems

Industrial equipment

Telecommunication infrastructure

Power supply modules

Product Lifecycle

Active status with ongoing manufacturer support

No indication of nearing discontinuation

Potential future upgrades may offer higher efficiency or increased power handling

Several Key Reasons to Choose This Product

Highly efficient and reliable buck converter for versatile applications

Easy to implement in space-constrained applications due to small package size

Comprehensive protection features ensure long-term reliability

Ability to source consistently from rohm-semi due to active product status

Availability of technical support and documentation for design assistance