IR3565AMWS01TRP

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The IR3565AMWS01TRP is a Voltage Regulators which serve as a DC DC Switching Controller, providing maximum flexibility and system cost efficiency. It is a monolithic integrated circuit for Power-Management designs for controlling switched capacitor/inductor and transformer-based power converters.

Application Field:

The flexible approach to control easily enables the formation of an exact controller for any design needs required. The IR3565AMWS01TRP is suitable for use in low cost Isolated DC/DC converters, high efficiency offline power supplies, and Point of Load (POL) DC/DC converters. Also, the IR3565AMWS01TRP can be used in various open-loop and closed-loop applications such as Step-Up (Buck), Step-Down (Boost), Buck-Boost, and Flyback converters.

Working Principle:

The IR3565AMWS01TRP is designed to accurately manage the energetic efficiency and load transient responses of any given power conversion system. This ultra-efficient, non-synchronous control architecture is based on the toggle control scheme. It utilizes pulse-by-pulse current limitation, a peak current limit circuit that protects the designer from system overloads. It features a soft start up to reduce inrush current and has four switching frequency ranges. The chip also includes an internal voltage reference, an on-chip oscillator, as well as a low dropout linear regulator for system monitoring, making the IC suitable for high performance applications.

The on-chip oscillator uses a PLL pre-divider architecture to set up a range of output frequencies. This ensures superior performance in terms of reduced EMI at high frequencies and low ripple levels. The chip also utilizes a low ripple bulk capacitors at the input which can help to reduce the size of the filter components in the converter.

The device provides an automatic power saving mode for monitoring current consumption. It also includes a Soft Start pin for reducing the inrush current and a PGOOD pin for monitoring the converter‘s output voltage. The chip includes an under voltage lockout (UVLO) circuit for automotive-grade application which is essential for preventing system downtime. Furthermore, an internal current limiter circuit also aids in achieving optimal power efficiency.

Overall, the IR3565AMWS01TRP is a monolithic integrated circuit designed for DC/DC switching power regulator. It offers a wide array of features designed to maximize flexibility and system cost efficiency which makes it suitable for low cost Isolated DC/DC converters, high efficiency offline power supplies, and Point of Load (POL) DC/DC converters. It is a perfect solution for achieving an ideal solution and superior performance.

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