MAX16990AUBA/V+

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MAX16990AUBA/V+ Application Field and Working Principle

The MAX16990AUBA/V+ is an ultra-low-noise step-down DC-DC switching controller specifically designed to minimize output voltage ripple while providing an extremely high element regulation accuracy in a space-saving 3mm x 3mm QFN package. This device combines high performance features, low input voltage and 85% power efficiency for space-constrained applications where high voltage accuracy is critical. It is ideal for powering DSPs, FPGAs and SoCs in applications where space and accuracy are of the utmost importance.

The MAX16990AUBA/V+ is classified into PMIC - Voltage Regulators - DC-DC Switching Controllers. This device provides a complete, versatile DC-DC switching solution with features and protection. This device features a patent-pending noise reduction architecture, allowing operation with extremely low output voltage ripple (1mV typical), while still providing fast transient response. This lower output noise allows more flexibility when scaling the output, enabling more performance in extreme conditions. Additionally, it provides an adjustable output voltage range, flexible gate drive ramping, a 0. 9V ± 1% input voltage accuracy and over-temperature/over-current protection.

The device\'s working principle is centered around its ultra-low-noise operation. The MAX16990AUBA/V+ features a unique architecture which eliminates up to 75% of the resonant ringing encountered in other devices, allowing higher efficiency operation and providing improved system accuracy and performance over regular solutions. This is achieved while utilizing an extremely small solution size by advanced chip layout and construction, allowing superior performance in space-constrained solutions.

Additionally, the device provides a wide range of output voltage and current settings, allowing flexibility to scale the output current with the load. The adjustable switching frequency also allows designers to optimize their solutions and compensate for changes in operating temperature or component variances. The external compensation feature allows users to tune the device over a wide operating temperature range while achieving excellent load regulation characteristics.

The MAX16990AUBA/V+ is an ultra-low-noise step-down DC-DC switching controller which provides a complete, versatile solution for applications demanding fast transient response and extremely low noise. The device’s patent-pending noise reduction architecture provides superior efficiency and performance relative to traditional solutions, while its adjustable output voltage allows for maximum flexibility. Additionally, the external compensation and adjustable switching frequency features allow for device tuning over various temperature ranges for improved system performance.

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