MAX5071AAUA+

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The MAX5071AAUA+ is a synchronous step down DC to DC controller that offers both current mode and voltage mode control. It is designed to provide a high performance and cost effective solution for a variety of portable and high power applications, including industrial and automotive systems. Its wide input voltage range of up to 60V, adjustable switching frequency of up to 1MHz and low quiescent current of 0.7mA makes it an ideal choice for a wide range of applications.

The MAX5071AAUA+ provides two control loops which can be used to optimize device performance depending upon the specific application and output requirements. In current mode control, the MAX5071AAUA+ uses a programmable current-sense amplifier and feedback loop to regulate output voltage. The voltage mode feedback loop employs a programmable voltage divider to regulate the output voltage. The controller also features a sloped compensation network which provides stable operation for all control loops and reduces the need for external components.

The MAX5071AAUA+ utilizes a low side, synchronous, high-side/low-side P-Channel MOSFET switch to convert input dc voltage to a regulated output voltage. When the desired output voltage is reached, the controller will begin to open and close the switch at a predetermined duty cycle that is based on the current mode or voltage mode control loop. This duty cycle allows the output voltage to remain constant and eliminates the need for an output inductor or capacitor. The MAX5071AAUA+ also features built-in frequency dithering and non-linear dead-time control to reduce input ripple and allows for the optimization of output regulation rejection.

The MAX5071AAUA+ is designed to reduce the total system cost, reduce power consumption and provide improved output regulation rejection. It is highly configurable and can easily be tailored to fit specific design requirements. The device is available in a small, 5mm x 5mm, 32-ball, 0.5mm pitch WLP package, making it an ideal choice for a variety of systems, including automotive, consumer and industrial applications.

The MAX5071AAUA+ is a cost effective, high-performance DC to DC converter designed to meet the needs of a wide range of applications. Its wide input voltage range, adjustable switching frequency and low quiescent current make it an optimal choice for consumer, industrial and automotive systems. Its two control loops and built-in features like frequency dithering and non-linear dead-time control make it a highly configurable and easily tailored device for many applications.

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