IR3477MTRPBF

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IR3477MTRPBF is a PMIC – Voltage Regulators – DC DC Switching Regulators based on a Shift-Based Hybrid PWM Control Digital Power System Controller. It is designed to regulate DC power rail in notebook computers and other portable products where space for power management is tight. The device is optimized to deliver high-efficiency, small size and great flexibility.

Applications of the IR3477MTRPBF

The IR3477MTRPBF is an ideal solution for high current and high efficiency DC/DC power converters including:

• Switching regulators
• Power management in notebook computers
• Portable applications
• High voltage boost and inrush current control.

The advanced features of the IR3477MTRPBF make it suitable for applications such as notebook and VRM power supplies, many types of portable power supplies, automotive power supplies, DC/DC converters in consumer electronics, telecom systems, and any other DC/DC appliance.

The Working Principle of the IR3477MTRPBF

The working principle of the IR3477MTRPBF is based on a shift-based hybrid PWM control digital power system controller. This is a combination of a pulse width modulation (PWM) control and hysteretic control which increases the efficiency of power management.

This type of system consists of three parts, namely the input part, the regulation part, and the output part. The input part accepts the input voltage and produces a regulated output voltage that is lower than the input voltage. The regulation part is the one responsible for controlling the current and ensuring that the output voltage remains the same as the input voltage. Lastly, the output part provides the power needed to run the system.

The IR3477MTRPBF is also equipped with some advanced features that allow for greater flexibility in the power management system. This includes integrated voltage sensing and over-voltage protection, precision current regulation, and adjustable output voltage setting. The device also has integrated protection for over-temperature operation, under-voltage lockout, and over-voltage protection.

The IR3477MTRPBF is a great solution for those who need high efficiency, small size, and flexibility in their power management system. With its advanced features and reliable performance, it is a great choice for keeping your power systems running smoothly and efficiently.

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