Alpha and Omega Semiconductor, Inc.

AOZ1039DI

AOZ1039DI Description

The AOZ1039DI is a high-performance, adjustable DC-DC buck converter from Alpha & Omega Semiconductor, Inc., designed to deliver up to 8A of output current with an input voltage range of 4.5V to 18V. This device features a switching frequency of 450kHz, ensuring efficient power conversion and minimal footprint on the PCB. The AOZ1039DI is part of the EZBuck™ series, known for its robust design and high efficiency. It operates with a minimum output voltage of 0.8V and a maximum of 1.2V, making it suitable for applications requiring precise voltage regulation. The device is housed in an 8DFN package, ideal for surface-mount applications, and is REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory compliance.

AOZ1039DI Features

• Adjustable Output Voltage: The AOZ1039DI offers an adjustable output voltage range from 0.8V to 1.2V, providing flexibility to meet various system requirements.
• High Output Current: Capable of delivering up to 8A of output current, this regulator is suitable for high-power applications.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 18V, the AOZ1039DI can operate across a broad spectrum of input voltages, enhancing its versatility.
• Synchronous Rectification: The inclusion of synchronous rectification improves efficiency and reduces power loss, making it ideal for power-sensitive applications.
• High Switching Frequency: Operating at a switching frequency of 450kHz, the AOZ1039DI ensures high efficiency and compact design.
• Moisture Sensitivity Level (MSL) 3: This rating ensures the device can withstand up to 168 hours of exposure to moisture, making it suitable for various environmental conditions.
• Surface Mount Technology: The 8DFN package is designed for surface-mount applications, facilitating easy integration into modern PCB designs.
• Regulatory Compliance: The AOZ1039DI is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.

AOZ1039DI Applications

The AOZ1039DI is well-suited for a variety of applications requiring high efficiency and precise voltage regulation. Key applications include:

• Power Supply Modules: Ideal for use in power supply modules where high current and precise voltage regulation are critical.
• Telecommunications Equipment: Suitable for telecom equipment that demands high reliability and efficiency.
• Industrial Control Systems: Can be used in industrial control systems where precise power management is essential.
• Computing and Networking: Applicable in computing and networking devices that require high current and efficient power conversion.
• Consumer Electronics: Suitable for consumer electronics that demand high efficiency and compact design.

Conclusion of AOZ1039DI

The AOZ1039DI is a versatile and high-performance DC-DC buck converter that offers adjustable output voltage, high output current, and a wide input voltage range. Its synchronous rectification and high switching frequency ensure high efficiency and compact design, making it ideal for a variety of applications. The device’s regulatory compliance and moisture sensitivity level further enhance its suitability for diverse environments. Despite being marked as obsolete, the AOZ1039DI remains a reliable choice for applications requiring robust and efficient power management solutions.