MAX889TESA+T

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MAX889TESA+T is a DC DC switching regulator from Maxim Integrated Products. It is designed to operate from a wide range of input voltages and can provide a regulated output of 3.3V or 5V. The output voltage is adjustable via an external voltage divider resistor for precise control over the output voltage, allowing it to be used in a variety of applications. The MAX889TESA+T is a monolithic, low-dropout (LDO) regulator with a high switch current and low on-resistance to operate at frequencies up to 1MHz. It features a regulated output voltage at low input voltages and also includes an over-current and over-voltage protection to ensure that the device remains safe to operate under all conditions.

The MAX889TESA+T is suitable for applications that require a regulated voltage that can be adjusted to fit the application at hand. These applications can range from precision control of power-sensitive output stages, to providing a regulated supply to peripherals such as sensors and communications devices. With its wide range of input voltages and adjustable output voltages, the MAX889TESA+T is well suited for use in mobile and POE applications such as smartphones, digital video players, and tablets.

The MAX889TESA+T is designed for efficient operation over a wide input voltage range. It can operate from any input voltage between 4.5V and 20V, allowing it to accommodate a variety of input sources. With a wide differential between the input and output voltage, the power conversion efficiency is maximized, resulting in less heat generated and lower overall power consumption.

The MAX889TESA+T features a fixed frequency, Pulse Width Modulation (PWM) control loop with an adjustable output voltage setpoint. This can be adjusted using an external divider resistor. The PWM control loop ensures that the output voltage remains stable under varying load conditions. Also included is an over-temperature and over-voltage protection circuit to ensure safe operation under all conditions. The MAX889TESA+T also features short-circuit current foldback and an over-current protection circuit.

The MAX889TESA+T is an ideal choice for applications that require a regulated voltage source and adjustable output voltage level. It is well suited to power sensitive peripherals and can be used in portable and POE applications. With its efficient operation, adjustable output voltage, and over-current and over-voltage protection, the MAX889TESA+T offers a reliable, easy-to-implement solution for power regulation needs.

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