ISL9441IRZ-T

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ISL9441IRZ-T Application Field and Working Principle

The ISL9441IRZ-T is a fully integrated, Power over Ethernet (PoE) system that combines high efficiency step-down and step-up regulators, rated at 1.0A and 3.3A respectively. The ISL9441IRZ-T is a specialized PMIC – Voltage Regulators – Linear + Switching integrated circuit built on the ISL9441IRZ platform, with an easily programmable feature set. This device is ideal for use in applications that require a high efficiency power supply solution.

The ISL9441IRZ-T combines two regulators, one operating as an adjustable step-down converter and the other as an adjustable step-up converter. The adjustable output levels of each are individually tuned to the application’s specific requirements. With its integrated synchronous rectification control and dual clock synchronization, the ISL9441IRZ-T provides a high efficiency solution for applications that require both a high output power level and a high input voltage range.

The ISL9441IRZ-T’s step-down converter has an adjustable maximum output current of up to 1.0A and a maximum input voltage range of 9V to 20V. It additionally features an integrated synchronous rectification control that acts to reduce the power losses associated with the processor’s switching frequency. The ISL9441IRZ-T’s step-up converter has an adjustable output current capability of up to 3.3A, and a maximum input voltage range of 3V to 6V. It also features adjustable power pulse elimination for improved output accuracy and noise reduction.

The ISL9441IRZ-T’s step-down and step-up converters work in combination with the integrated linear and switching regulators to provide a wide input voltage range and high efficiency power supply solution. The step-down converter produces high current and low ripple outputs, while the step-up converter provides high voltage output supply. This dual converter design allows the ISL9441IRZ-T to provide a wide input voltage range and to easily meet stringent electrical and power management requirements.

Furthermore, the ISL9441IRZ-T also offers reverse current protection, over-temperature protection, and soft-start circuitry. These features make the ISL9441IRZ-T an ideal solution for applications involving high power and high efficiency designs.

The ISL9441IRZ-T is the perfect PMIC – Voltage Regulators – Linear + Switching solution for applications that require a high efficiency power supply with adaptability to a wide input voltage range. Its integrated linear and switching regulators, step-down and step-up converters, and various protection mechanisms make the ISL9441IRZ-T an ideal choice for high power and high efficiency designs.

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