MAX736EWE+T

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The MAX736EWE+T provides highly efficient, monolithic power conversion, monitoring and control circuitry tailored to battery-powered systems. Its integrated step-down switching regulator operates from a 4.5V to 16V input, and provides up to 1A output on its regulated +3.3V output. Additionally, the device supports an adjustable output (1.8V, 2.5V, 3.0V), providing 1A of output current.

The MAX736EWE+T is designed to be a flexible and cost-efficient solution for applications that require multiple output voltages. The device offers a wide range of features such as: input under-voltage protection, output voltage tracking, output voltage programming, programmable soft-start, two-line serial control, power-on reset, and user-defined timeout. Additionally, the device includes an integrated low-noise switching regulator, power-on reset circuitry, thermal protection, frequency foldback, and on-chip monitoring of current, temperature, and output voltage.

The MAX736EWE+T is ideal for applications where space and efficiency are critical. The device is rated to withstand up to 20V input voltage, operates up to 90°C, and features an 85% efficiency rating. It also features an adjustable peak current limit, enabling the user to set a current limit up to 1A for improved power efficiency.

The MAX736EWE+T belongs to the category of PMIC (Power Management ICs), more specifically to the Voltage Regulators – DC DC Switching Regulators. It is designed to provide high-efficiency power conversion, monitoring and control circuitry tailored to battery-powered systems.

The working principle of the MAX736EWE+T is based on its integrated step-down switching regulator. This regulator is a DC-to-DC converter which steps down the input voltage of 4.5V to 16V into a lower set regulated output voltage, up to 1A. The device uses a technique called pulse width modulation (PWM) to acquire the desired output voltage. The device has an adjustable output voltage, with a range from 1.8V to 3.0V.

The device also includes several other features such as input undervoltage protection, output voltage tracking, output voltage programming, programmable soft-start, two-line serial control, power-on reset, user-defined timeout, integrated low-noise switching regulator, power-on reset circuitry, thermal protection, frequency foldback, and on-chip monitoring of current, temperature and output voltage.

The application fields of the MAX736EWE+T are applications where space, efficiency and high-quality power conversion are important. It is ideal for applications requiring multiple output voltages, such as battery-powered portable devices, cellular phones, laptops and other portable electronics. It also provides a cost-effective solution for applications where high-efficiency and low-noise are important.

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