MAX17541GATB+

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The MAX17541GATB+ is a fully integrated, 4 A (4.5 A peak), step-down DC-DC switching regulator IC. It can be used in applications such as Mobile- device accessories, TV-set-top boxes, CPUs, gaming consoles, servers, automotive, and more. Integrating two of its patented high-voltage powersaving™ engines, the MAX17541GATB+ provides 16 A of switch current with a 0.45 mΩ integrated power switch, while providing superior system efficiency. The MAX17541GATB+’s internal control circuitry is designed to deliver great performance with its fast current regulation loop, wide input voltage range, and high slew-rate switching. It also has a low-profile package (1.5 mm profile) that helps minimize thermal resistance, making it a perfect choice for power delivery applications.

The MAX17541GATB+ features a wide 3.2 V to 28 V input voltage range and can be configured with an adjustable output voltage from regulated 0.8 V to VIN. It can deliver output currents of up to 4 A while providing excellent line and load regulation. It also offers very good dynamic performance with its low-noise operation, fast transient response, and fast current regulation loop. The switching frequency can also be adjusted via an external resistor, allowing designers to optimize efficiency, noise, or size of external components. The switching frequency is adjustable from 0.5 MHz to 2.2 MHz and is completely independent of the input voltage.

The MAX17541GATB+ also features an integrated power MOSFET, which reduces system size and complexity, providing improved efficiency. Its low-RDS(ON) of 0.45 mΩ ensures an enhanced power efficiency with minimal power loss. The integrated voltage loop compensation also reduces the number of external timing components, reducing system size and cost. The protection features include overvoltage, undervoltage, overcurrent, and overtemperature protection. The MAX17541GATB+ also offers adjustable current-limit protection and provides an adjustable soft-start. These features make it the ideal choice for a wide range of step-down DC-DC switching regulator applications.

In summary, the MAX17541GATB+ is a highly integrated, 4 A (4.5 A peak), step-down DC-DC switching regulator IC. It has a wide input voltage range and adjustable output voltage range up to VIN. It also has integrated low-RDS(ON) power MOSFET and adjustable switching frequency. These features make it an ideal choice for applications such as Mobile-device accessories, TV-set-top boxes, CPUs, gaming consoles, servers, and automotive.

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