MAX5073ETI-T

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The MAX5073ETI-T is a DC/DC converter IC from a family of advanced switching power solution from Maxim Integrated. It is a versatile and integrated device that offers the highest performance-to-cost ratio for a vast array of applications. This device is usually used as voltage regulator, DC-DC converter and as a power management system. It has an integrated 4 A/2.2 MHz switch for zero current switching and instantaneous response.

The MAX5073ETI-T belongs to the Power Management Integrated Circuits (PMIC) category under the Voltage Regulators sub-category of DC/DC Switching Regulators. It is specifically a Step-down Voltage Regulator that can convert a voltage between 6V and 28V to a voltage between 0.6V and 15V. It has two integrated output stages and was specifically designed for 5V systems.

The pin configuration of this IC consists of two digital inputs, one for enabling the device and one for soft start, three power pins that provide power supply to the internal circuits and nine smaller pins that provide control and sense signals. The chip has a wide temperature operating range of -40°C to +85°C. It has a low quiescent current of 40 μA, making it extremely power efficient. This makes the MAX5073ETI-T well suited for mobile and battery powered systems.

The device is built using a low-profile NoSlow Start architecture, suitable for implementations with light loads. The windings used in the switching core of the chip have a low profile, allowing the chip to fit on a 2.5mm x 2.5mm x 0.75mm form factor. This makes it extremely easy to integrate into small and compact high-volume products; such as portable medical devices, consumer devices, wearables and handheld electronics.

The MAX5073ETI-T works by taking the input voltage, which is usually between 6V and 28V, and converting it to the desired output voltage. This is done via a series of power conversion steps that involve a high-speed switching regulator stage, a series of loop filters and a low-noise linear regulator stage. This ensures that the output voltage from the MAX5073ETI-T is always accurate and stable, even during dynamic load changes.

The MAX5073ETI-T provides several important safety features, such as over temperature, over current and under voltage, that further enhance its overall performance. Additionally, the chip has a low output impedance of 0.2Ω and an output ripple of less than 0.5mV, allowing it to maintain stability with light and heavy loads.

Because of its superior performance, compact size and low power consumption, the MAX5073ETI-T is well suited for a variety of applications such as in displays, battery powered systems, portable medical devices and consumer products. This makes the MAX5073ETI-T an ideal IC for a wide variety of designs.

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