MAX16956AUBA/V+

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The MAX16956AUBA/V+ is part of a family of advanced high-efficiency, high-voltage DC-DC switching regulators. It integrates highly efficient power management functions into a single, small-footprint, 4- by 5-mm, 24-pin TQFN package. It provides ultra-low quiescent current for low current consumption, adjustable switching frequency for noise reduction and optimization of loop transient response, programmable operating frequency limit for cooling optimization, thermally enhanced transistor structure for high power capability, and Synchronous Buck topology for low bill-of-materials count.

The MAX16956AUBA/V+ is a DC-DC switching regulatorthat includes a precision 0.8V integrated voltage reference and a wide input voltage range for supporting a variety of power sources. Its power stage provides up to 8A continuous output current. Its quiescent current is ultra-low and programmable, making it suitable for smartphone/tablet applications that typically require extended standby times. Its switching frequency can be programmed up to 2.2MHz, allowing it to run at high frequencies and meet stringent EMI requirements while occupying minimal board space.

The MAX16956AUBA/V+ integrates a full fixed frequency PWM control scheme with an external N-channel MOSFET power switch. The MOSFET generates a regulated output voltage with excellent load and line regulation. By using a synchronous rectifier topology, the output voltage accuracy can be improved significantly.

The MAX16956AUBA/V+ comes with several features that make it ideal for a variety of applications. Its adjustable frequency allows the designer to optimize operation for efficiency, size, or component cost. Temperature protection prevents operation above a safe temperature, keeping the device from damaging itself. It also includes advanced loop compensation and current limits allowing the user to tailor its performance to a specific application.

The architecture used for the MAX16956AUBA/V+ allows for external compensation for voltage loop stability and transient response. Its wide range of supply and output voltages enables it to be used in a variety of applications, such as communications products, datacom, server, storage, and consumer electronics. Its wide output voltage range combined with built-in current limiting eliminates the need for additional protection circuitry, making it ideal for protecting sensitive loads.

The MAX16956AUBA/V+ features adjustable and programmable overvoltage protection. When the output voltage reaches a programmed voltage, the MOSFET is turned off and a reset signal is provided. This will cause the device to cease operations until the output voltage returns to the normal range. This feature prevents the output from getting into an overvoltage state, ensuring that the device and the attached system is safely protected.

Overall, the MAX16956AUBA/V+ provides a high level of efficiency and performance, and its wide range of features make it suitable for a variety of applications. It has a wide input voltage range, adjustable frequency, advanced voltage loop compensation, and programmable current limiting. Its small size and integrated protection provide great protection for loads, allowing it to be used in a variety of ruggedized applications.

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