MAX1845EEI+T

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The MAX1845EEI+T is a boost-switch voltage regulator designed to step up a voltage input when the input device is not able to provide enough power to run the load. It is designed to take the output of the input device and boost the voltage to the desired level in order to provide the necessary power to the load. This device is part of the PMIC family of voltage regulators, specifically the DC DC switching controllers. Its application fields include telecommunication, consumer electronics and industrial controls.

The working principle of the MAX1845EEI+T is as follows. The device is connected to the input power source, such as a battery, a solar panel or an energy harvesting device, providing the necessary input to the regulator. When the input voltage is below the target voltage of the output stage, the regulator will start to boost the voltage. This is achieved by switching, either partially or completely, a field-effect transistor (FET) connected to the input power source. When the FET is partially switched, it acts as an inductor, storing energy that is then released when it is fully switched, producing a voltage boost. The output voltage is regulated by a feedback loop, where the output voltage is monitored by a central control circuit, which adjusts the FET switching and therefore the output voltage.

The MAX1845EEI+T is suitable for a number of applications, including phones and other wireless devices, wearables and other consumer electronics. It can also be used in industrial equipment and equipment with high-voltage input requirements such as medical or aerospace applications.

When selecting this device for an application, it is important to consider the input voltage, load current, output voltage and operating temperature range. The input voltage should be greater than the desired output voltage and the FET must be able to handle the required load current. The device includes a soft-start feature that prevents inrush currents, and it has a wide operating temperature range of -40°C to +85°C.

In summary, the MAX1845EEI+T is a versatile and reliable voltage regulator designed to boost low input voltages to higher levels, suitable for a number of different applications and environments. It is part of the PMIC family of voltage regulators and belongs to the DC DC switching controllers category.

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