MAX17681AATB+T

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The MAX17681AATB+T is a product of Maxim Integrated\'s portfolio of Power Management ICs (PMICs). Specifically, it is a DC-DC switching regulator, providing robust voltage regulation for a wide variety of applications. This article will discuss the application field and working principle of the MAX17681AATB+T.

The MAX17681AATB+T is optimized for powering low-noise processors in cell phone, laptop, and tablet applications. It boasts excellent electrical characteristics and low-power capabilities. Its advanced low-noise control circuitry improves power-supply ripple rejection ratio, which helps to ensure quiet processor operation in a variety of environments. Additionally, the built-in reverse voltage protection ensures reliable operation, even when the input signal is flipped. The MAX17681AATB+T is available in both a 5V/1A and 10V/1.5A version, providing flexibility for a variety of voltage and power requirements.

The MAX17681AATB+T operates from a 4.5V to 20V input supply and supports low-voltage load or bias power. It can deliver up to 1.5A of output current with a regulated output voltage range of 0.8V to 6V. For improved system efficiency, the MAX17681AATB+T also supports low-Iq operation modes. The device has an integrated soft-start function to prevent inrush currents when the device is turned on, and it supports EMI filtering to reduce RF emissions. The MAX17681AATB+T is rated for an operating temperature range of -40°C to +85º.

The MAX17681AATB+T is capable of both step-down DC-DC converting and low-dropout linear regulation. In step-down DC-DC conversion mode, the MAX17681AATB+T\'s peak current-mode controller reduces input capacitance, simplifies loop compensation, and allows for fast transient response. The internal synchronous rectifier lowers power consumption and improves efficiency. The device also provides a \'burst mode\' for improved light-load efficiency.

In low-dropout linear (LDO) regulator mode, the MAX17681AATB+T features an internally operated linear regulator. The high-precision, low-power device provides excellent accuracy and improved output noise with minimal quiescent current. Its adjustable output voltage ranges from 1.2V to 1.25V and its fixed output voltage range is 1.2V. The device supports over-current protection and thermal-shutdown protection.

The MAX17681AATB+T is a versatile DC-DC switching regulator suitable for use in power-sensitive applications. Its low-noise control circuitry, reverse voltage protection, and multiple operating modes help to ensure reliable operation in a variety of noisy environments. Its wide range of voltage and power support, combined with its low-noise operation and enhanced protection options, makes the MAX17681AATB+T an excellent solution for powering low-noise processors in a variety of devices.

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