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IR3621FTR

IR3621FTR Description

The IR3621FTR is a highly integrated buck regulator controller designed for high-performance power management applications. Manufactured by Infineon Technologies, this device is categorized under Power Management Integrated Circuits (PMIC) and is packaged in a 28-TSSOP format suitable for surface mount applications. Despite its obsolete status, the IR3621FTR remains a reliable choice for engineers seeking robust power control solutions.

IR3621FTR Features

• Output Type: The IR3621FTR is designed as a transistor driver, providing efficient control over power transistors.
• Output Configuration: It features a positive output configuration, ensuring compatibility with a wide range of power systems.
• Frequency Range: The device operates within a switching frequency range of 200kHz to 500kHz, allowing for flexibility in design and optimization of power conversion efficiency.
• Supply Voltage: The IR3621FTR supports a supply voltage range of 5.5V to 14.5V, making it suitable for various power supply applications.
• Synchronous Rectifier: Equipped with a synchronous rectifier, the IR3621FTR enhances efficiency by reducing power losses.
• Control Features: It includes advanced control features such as frequency control, power good indication, and soft start, ensuring smooth and reliable operation.
• Duty Cycle: The maximum duty cycle of 86.5% allows for high efficiency and minimal power dissipation.
• Output Phases: The device supports two output phases, enabling parallel operation for higher current handling capabilities.
• Clock Sync: The IR3621FTR offers clock synchronization, which is crucial for maintaining stable operation in multi-phase systems.
• Compliance: It is REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the IR3621FTR is suitable for storage and handling in various environmental conditions.

IR3621FTR Applications

The IR3621FTR is ideal for applications requiring high efficiency and reliable power management. Its buck topology makes it particularly suitable for:

• Power Supplies: Efficiently converting higher input voltages to lower output voltages for powering various electronic devices.
• Telecommunications: Providing stable and efficient power to telecommunication equipment, ensuring minimal power loss and high reliability.
• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and laptops, where compact size and high efficiency are critical.
• Industrial Applications: Suitable for industrial control systems where precise power management and robustness are required.

Conclusion of IR3621FTR

The IR3621FTR by Infineon Technologies is a versatile and efficient buck regulator controller that offers numerous advantages over similar models. Its wide frequency range, synchronous rectification, and advanced control features make it a reliable choice for a variety of power management applications. Despite being marked as obsolete, the IR3621FTR remains a valuable component for engineers seeking high-performance power solutions. Its compliance with environmental regulations and robust design ensure that it continues to meet the demands of modern electronics.