The HMU1228CNLT is a surface mount power inductor manufactured by Pulse Electronics. It is designed for use in DC-DC converters and power supply applications requiring a small footprint and high efficiency. This inductor is characterized by its low DCR (DC Resistance) and high saturation current, making it suitable for applications where minimizing power loss and handling high currents are critical.

Applications:

• DC-DC Converters
• Power Supplies
• Point-of-Load (POL) Regulators
• Notebook Computers
• Portable Devices

Features:

• Low DCR: Minimizes power loss due to resistance, improving efficiency.
• High Saturation Current: Handles high current levels without significant inductance drop.
• Small Footprint: Facilitates integration into space-constrained designs.
• Surface Mount Technology (SMT): Suitable for automated assembly processes.
• Shielded Construction: Reduces electromagnetic interference (EMI).

Benefits:

• Improved Efficiency: Low DCR minimizes power losses, contributing to higher overall efficiency.
• Increased Power Density: Small footprint and high current capability allow for higher power density designs.
• Reduced EMI: Shielded construction minimizes electromagnetic interference, improving system compatibility.
• Simplified Circuit Design: SMT compatibility streamlines board layout and assembly.
• Enhanced Reliability: Robust design ensures reliable operation in demanding conditions.

Additional Details:

The HMU1228CNLT's specific inductance, saturation current, and DCR values are detailed in the Pulse Electronics datasheet. It is essential to consult the datasheet for proper application and design considerations. The inductor is typically used in conjunction with switching controllers to form complete DC-DC converter circuits. Proper thermal management is crucial to ensure reliable operation, especially at high currents. The HMU1228CNLT is RoHS compliant, ensuring it meets environmental standards. The shielded construction helps to minimize noise and prevent interference with other components on the circuit board.