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IR3621M

IR3621M Description

The IR3621M is a highly integrated DC-DC switching controller designed for high-performance power conversion applications. Manufactured by Infineon Technologies, this device is part of the obsolete but still widely used IR3621 series. It features a transistor driver output type with a positive output configuration, making it suitable for driving external MOSFETs in a buck topology. The IR3621M operates within a supply voltage range of 5.5V to 14.5V and supports a switching frequency range of 200kHz to 500kHz, providing flexibility for various power conversion needs.

IR3621M Features

• Output Type: Transistor Driver, ideal for driving external MOSFETs.
• Output Configuration: Positive, ensuring compatibility with a wide range of power systems.
• Frequency Range: 200kHz to 500kHz, offering high efficiency and reduced component size.
• Supply Voltage: 5.5V to 14.5V, providing broad application scope.
• Synchronous Rectification: Yes, enhancing efficiency and reducing power loss.
• Control Features: Frequency control, power good, and soft start, ensuring reliable and stable operation.
• Number of Outputs: 2, supporting dual-phase operation for higher current handling.
• Duty Cycle (Max): 86.5%, enabling high efficiency and minimal power dissipation.
• Output Phases: 2, facilitating multi-phase designs for improved performance.
• Clock Sync: Yes, ensuring synchronized operation in multi-phase configurations.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for various environmental conditions.
• Package: Tube, offering robust mechanical protection.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating accurate customs classification.

IR3621M Applications

The IR3621M is well-suited for a variety of applications requiring high efficiency and reliable power conversion. Its dual-phase output and synchronous rectification make it ideal for high-current power supplies, such as those found in:

• Server Power Supplies: Providing efficient power conversion for high-density server applications.
• Telecommunications Equipment: Ensuring reliable power delivery in base stations and networking gear.
• Industrial Systems: Driving high-current loads in automation and control systems.
• Consumer Electronics: Efficient power management in devices like gaming consoles and high-end PCs.

Conclusion of IR3621M

The IR3621M from Infineon Technologies is a versatile and efficient DC-DC switching controller with a wide range of applications. Its dual-phase output, synchronous rectification, and comprehensive control features make it an excellent choice for high-performance power conversion needs. Despite its obsolete status, the IR3621M remains a reliable solution for designers seeking a proven and efficient power management IC.