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The BD9851EFV-E2 is a switching regulator IC manufactured by ROHM Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: ROHM Semiconductor
• Part Number: BD9851EFV-E2
• Type: Step-Down (Buck) Switching Regulator
• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: Adjustable (0.8V to 25V)
• Output Current: Up to 3A
• Switching Frequency: 300kHz (Typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Package: HSOP-8 (Exposed Pad for Heat Dissipation)
• Protection Features: Overcurrent Protection (OCP), Thermal Shutdown (TSD)
• Control Method: PWM (Pulse Width Modulation)

Descriptions:

The BD9851EFV-E2 is a synchronous buck DC-DC converter designed for high-efficiency power supply applications. It integrates a high-side and low-side MOSFET, reducing external component count. The IC supports a wide input voltage range, making it suitable for automotive, industrial, and consumer electronics applications.

Features:

• Integrated MOSFETs: Reduces external component requirements.
• Wide Input Voltage Range: Supports 4.5V to 28V input.
• Adjustable Output Voltage: Configurable from 0.8V to 25V.
• High Efficiency: Up to 95% efficiency for power savings.
• Fixed Switching Frequency: 300kHz operation for stable performance.
• Built-in Protection: Includes overcurrent and thermal shutdown protection.
• Compact Package: HSOP-8 with exposed pad for improved thermal dissipation.

This information is strictly factual and based on ROHM's official datasheet for the BD9851EFV-E2.