MAX1709EUI+T

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DC-DC switching regulators are a type of linear power regulating device that can effectively provide a regulated output voltage or current at a higher voltage than its input voltage. The MAX1709EUI+T is a low-cost single switch synchronous DC-DC buck regulator that is housed in a tiny 10 pin, 0.8mmx1.4mm ultra-thin wafer level chip scale package (UCSP) and is specifically designed for high-performance, 3.2V to 39V microprocessor (μP) core supply applications. It offers a low quiescent current of 10 mA and supports a high PWM modulation frequency of 2.2 MHz.

The regulator is designed to operate by switch-mode conversion and pulse-width-modulation of the input. The input is usually provided by a power source such as battery and is typically a greater voltage than the output. The regulator's internal components, a switch, output diode, and inductor, operate in a way that converts the input to the regulated output.  The switch is controlled by the pulse-width modulation in order to achieve the desired output voltage. The output is isolated from the input by the inductor and the diode rectifies the output from the inductor. An external capacitor further smooths out the output, thus isolating the output from the switched input.

MAX1709EUI+T regulators are designed with input power range flexibility in mind, making them ideal for a variety of applications. These applications include microprocessors with multiple processor core voltages, battery powered systems with Li-ion or Li-Po battery input voltage up to 19V, RF cards, portable medical instruments, and home applications such as set-top boxes. To protect against shorted or overloaded outputs, the regulators are designed with over-current and short circuit protection, over temperature protection, and a brown-out detector.

Maxim supports a range of industrial and automotive grade parts designed to meet the various customer requirements. They are available in extended temperature ranges up to -40°C to 125°C, and have a wide variety of packages including UCSP, DFN, and SOT-23. They also feature a quick startup time and an ultra-low quiescent current, making them ideal for mobile applications. Finally, the MAX1709EUI+T offers an adjustable output and ultra -fast transient response times for system stability.

The MAX1709EUI+T provides excellent performance quickly, efficiently and reliably, making it an ideal choice for many different applications. With its small size, high efficiency and wide input voltage range, the MAX1709EUI+T makes an effective, cost-efficient choice for a variety of applications requiring a reliable DC-DC switching regulator.

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