MAX1817EUB+

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The MAX1817EUB+ integrated circuit is a DC-DC switching regulator part of the broader family of voltage regulators, which, in turn, form part of power management integrated circuits (PMICs). It is a type of smart regulator IC, intended to provide efficient and robust power supply solutions in consumer and industrial grade electronic devices.The MAX1817EUB+ is a low noise, low power linear regulator, designed to provide a low drop-out (LDO) voltage with little load current ripple, designed primarily for use in cellular phones, PDAs, and other portable consumer electronics. It is suitable for dual and single supply operations in the range of 1V to 10V, providing a range of output voltages from 0.8V to 2.6V.The MAX1817EUB+ provides two separate but interchangeable outputs, fully regulated and accurate to within 1%. It supports a wide range of switching frequencies, ranging from 400kHz to 2.4MHz, depending on the output voltage, with 1% accuracy over the full input voltage range. It also features an adjustable current limit and thermal protection, with a built-in thermal monitoring feature that allows the CPU core voltage to be monitored from the output of the device.The MAX1817EUB+ is a very versatile device, with a wide range of applications including power supply voltage regulation, DC-DC conversion and DC-AC conversion. It is primarily used in low noise, low power, portable device applications, but can also be used in automotive, large format displays, and industrial applications. It offers the convenience of single-chip solution for all the power handling requirements, unlike dedicated external power supply controllers, which require multiple components and connections to be carefully designed and properly implemented in order to provide the same level of power supply performance. The MAX1817EUB+ works on the simple principle of controlling and regulating the output voltage by switching a circuit element (usually a MOSFET) on and off at a constant frequency, allowing the output voltage to be proportional to the duty cycle of the switching cycle. The duty cycle of the MAX1817EUB+ is adjusted by monitoring the voltage at the output of the device and adjusting the output voltage accordingly. The switch is also protected from potential damage caused by over-current, over-voltage and over-temperature by the use of a current limit, adjustable voltage reference and thermal shutdown features. The MAX1817EUB+ can also be used in automotive, large format display and industrial applications, because of its ability to provide a single-chip solution for power handling requirements with high efficiency, low noise and low power draw.

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