The Coilcraft DO3314-222MLC is a shielded power inductor designed for a broad range of power conversion applications. This inductor excels in providing a combination of high current handling capability, low DC resistance (DCR), and effective EMI shielding, making it suitable for applications where efficiency and noise reduction are critical.

Applications

• DC-DC Converters: Frequently used in buck, boost, and flyback DC-DC converters to regulate voltage levels.
• Power Supplies: Employed in various power supply designs for industrial equipment, consumer electronics, and telecommunications systems.
• LED Drivers: Used in LED lighting applications to provide stable and efficient current control to LEDs.
• Point-of-Load (POL) Regulators: Found in POL regulators to provide localized power conversion close to the load.
• Battery Management Systems (BMS): Incorporated in BMS to efficiently manage power flow and charging/discharging cycles.

Features

• Shielded Construction: Minimizes electromagnetic interference (EMI) and ensures reliable operation in noise-sensitive environments.
• High Current Capacity: Designed to handle high current levels without significant performance degradation.
• Low DC Resistance (DCR): Reduces power losses and improves overall efficiency in power conversion circuits.
• Compact Footprint: Allows for space-saving design in compact electronic devices.
• Surface Mount Technology (SMT): Facilitates easy and automated assembly on printed circuit boards (PCBs).

Benefits

• Enhanced EMI Performance: Shielding effectively reduces electromagnetic emissions, preventing interference with other components and ensuring stable operation.
• Improved Power Efficiency: Low DCR minimizes resistive losses, leading to higher efficiency and reduced heat generation.
• Compact Design: Small footprint enables integration into densely populated PCBs, saving valuable board space.
• Reliable Operation: Robust construction and high-quality materials ensure consistent performance and long-term reliability.
• Simplified Assembly: SMT compatibility streamlines the assembly process, reducing manufacturing costs and improving throughput.

Additional Details

The DO3314-222MLC inductor has an inductance value of 2.2µH. It is designed to operate over a wide temperature range. The core material used is chosen for its high saturation characteristics. The specific saturation current and DCR values can be found in the official Coilcraft datasheet for this component. This inductor is commonly used in high-frequency switching power supplies.