MAX859ESA+

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The MAX859ESA+ is an advanced PMIC voltage regulator. It is a DC-DC switching regulator, specifically optimized for low noise operation, with an adjustable switching frequency from 100 kHz to 500 kHz. The MAX859ESA+ provides high-efficiency step-down DC-DC conversion while delivering clean output noise. This makes the MAX859ESA+ suitable for applications requiring minimal switching noise and low power consumption.

The MAX859ESA+ offers a wide input voltage range from 3.3V to 24V and the output voltage is adjustable from 0.5V to the input voltage. An adjustable output current limit of up to 5A is also provided, allowing for an adjustable outpout power of up to 80W. The output voltage accuracy is ±2% with line and load regulatio of ±1%. It also helps reduce system complexity and cost by providing two external voltage reference options; an on-chip VREF or an external reference voltage.

The device provides a range of protection features to safeguard the operations including over-voltage protection (OVP), over-temperature protection (OTP) and under-voltage lockout (UVLO). The MAX859ESA+ also provides a built-in internal soft-start to reduce inrush current during startup. The soft-start can be configured to provide a soft start period of up to 4ms.

The MAX859ESA+ provides excellent performance with a wide range of applications. It is ideal for applications such as VoIP systems, point-of-load (POL) regulators for FPGA, audio amplifiers, industrial motor drives and robotic actuators, among others. The MAX859ESA+ offers power and thermal efficiency, high accuracy, wide operating range, and low-noise operation, giving it a competitive edge in the voltage regulator market.

In conclusion, the MAX859ESA+ is a highly advanced PMIC voltage regulator specifically optimized for low noise operation. It offers an excellent range of features including a wide input voltage range, adjustable output current limit, low output noise, adjustable soft-start, and a range of protection features. The MAX859ETA+ is well-suited for applications such as VoIP systems, FPGA, audio amplifiers, motors drives and robotic actuators, among others.

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