The DO3316P-223MLB is a shielded power inductor manufactured by Coilcraft. It is designed for high-current power supply applications where efficiency and compact size are critical. This inductor is part of Coilcraft's DO3316P series, known for their rugged construction and excellent performance in demanding environments.

Applications

• DC-DC converters
• Voltage regulators
• Power supplies for portable devices
• LED lighting applications
• Filtering applications

Features

• Shielded construction for low EMI
• High current handling capability
• Small footprint
• Low DCR for high efficiency
• Operating temperature range: -40°C to +125°C

Benefits

• Reduced electromagnetic interference improves overall system performance.
• Efficient power conversion minimizes energy loss and heat generation.
• Compact size allows for use in space-constrained applications.
• High reliability ensures long-term performance in demanding environments.
• Optimal performance at high switching frequencies, enabling smaller and more efficient power supply designs.

Additional Details

The DO3316P-223MLB has an inductance of 22 µH (microhenries). The DC resistance (DCR) is very low, contributing to the inductor's high efficiency. The saturation current is a key parameter indicating the current level at which the inductance starts to drop significantly; exceeding this current can negatively impact the power supply's performance. The component’s shielded construction helps to minimize electromagnetic interference (EMI), which is essential in sensitive electronic circuits.

This inductor is often used in step-down (buck) converters, step-up (boost) converters, and other power supply topologies. Its robust design and electrical characteristics make it suitable for a wide range of applications, from portable devices to industrial equipment. The part is also lead-free and RoHS compliant.