The DO3316P-684MLD is a shielded power inductor manufactured by Coilcraft. It is designed for use in high-current power supply applications, offering a combination of efficiency, small size, and robust construction. This inductor belongs to the DO3316P series, well-regarded for their performance in demanding electronic circuits.

Applications

• DC-DC converters
• Voltage regulators
• Power supplies for portable electronics
• LED drivers
• Filtering circuits

Features

• Shielded construction minimizes EMI
• High current handling capability
• Compact size
• Low DC resistance (DCR) for improved efficiency
• Operating temperature range: -40°C to +125°C

Benefits

• Reduced EMI allows for quieter operation of electronic devices.
• High efficiency minimizes power loss and heat generation, increasing overall system efficiency.
• Small footprint allows for use in space-constrained environments.
• Reliable performance ensures long-term operation in harsh conditions.
• Optimized for high-frequency switching, enabling smaller and more efficient power supply designs.

Additional Details

The DO3316P-684MLD features an inductance of 680 µH (microhenries). Its low DCR contributes to its high efficiency, reducing power loss and heat. The saturation current is a critical parameter, indicating the current level at which the inductance begins to decrease significantly. The inductor’s shielded construction effectively reduces electromagnetic interference (EMI), crucial for sensitive electronic systems.

Commonly used in step-down (buck) converters, step-up (boost) converters, and other power supply topologies, this inductor’s robust design and electrical characteristics make it a versatile choice for various applications, ranging from portable devices to industrial equipment. The product is lead-free and RoHS compliant, adhering to environmental standards.