MAX5069BAUE-T

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The MAX5069BAUE-T is a fixed frequency voltage regulator designed for DC-DC applications with extremely high accuracy. This regulator provides exceptional accuracy over a wide input voltage range, making it an ideal choice for a variety of systems from automotive to industrial. It is also very low power, so it can be used in battery operated devices.

The MAX5069BAUE-T offers a wide input range of 3.5V to 20V and a fixed nominal output voltage of 5V. It features excellent line and load regulation, with a maximum deviation of just 0.07% on most models. The operating frequency is fixed at 450kHz, making it ideal for high-frequency switching DC-DC converters.

The MAX5069BAUE-T has an on-chip synchronous rectifier and low-noise enable function, making it suitable for use in both step down and step up converters. It also offers an adjustable soft-start feature for smooth operation during startup. On-chip thermal shutdown circuitry prevents damage due to excessive junction temperatures during fault conditions.

The primary applications for the MAX5069BAUE-T include notebook computers, remote controllers, automotive systems, and end products such as cell phones, MP3 players and digital cameras. It can also be used in robotics and other applications requiring a low-noise switching regulator with high accuracy.

The MAX5069BAUE-T has a built-in charge pump that eliminates the need for external compensation components. This feature simplifies the overall system design and reduces the cost. It also has a 0.5µV/V temperature coefficient, making it ideal for temperature sensitive applications.

The working principle of the MAX5069BAUE-T is based on the voltage-mode control method. The circuit consists of two integrated oscillators and three current sensing controls, which allow for very fast switching frequency adjustment and high-accuracy output voltage adjustments over a wide range. The integrated error amplifier is used to provide the voltage regulation and compensate for any output voltage deviation caused by fluctuations in the input voltage or load current.

The MAX5069BAUE-T is a versatile, high-performance voltage regulator, ideal for use in DC-DC switching applications. It offers excellent regulation accuracy and a wide operating temperature range, and is highly-efficient, making it an ideal choice for a variety of high-performance systems and products.

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