MAX653CPA+

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The MAX653CPA+ is a member of the MAX653 series of DC/DC step-down switching regulators by Maxim Integrated Products. This series integrates a higher current output power stage, current mode control technology and on-board components to provide high efficiency, precision and stability. Depending on the application, the MAX653CPA+ can be used in both isolated and non- isolated, synchronous or asynchronous configurations. In all cases, long-term reliability and low ripple are ensured. The range of device features for the MAX653CPA+ includes a package size suitable for a variety of applications, monitor functionality, and an output current capability of up to 2.5 amps.

The MAX653CPA+ application field includes consumer electronics and systems such as battery powered portable tools, audio-video equipment, telecommunications, GPS systems and automotive applications. This makes it an ideal solution for products with power requirements of up to 2.5 amps.

The MAX653CPA+ operation relies primarily on two components – a power MOSFET switch and a controller IC. The controller IC regulates current, sets the switching frequency and turns the switch on and off at the right times to maintain the output voltage. It also senses the input supply voltage and, if the voltage falls below a preset level, shuts off the switch to prevent overload.

The MAX653CPA+ also has an internal voltage reference, programmable soft-start and an adjustable current-limit protection. The device is available in both a 1.2-2.2V step-down version and a 2.4-4.4V step-down version. It also features a wide input voltage range of up to 28V, a wide temperature range from -40°C to 85°C and a low standby current of less than 10µA.

Due to its slim form factor, the MAX653CPA+ is ideal for applications requiring small form-factor and high power. This series of step-down switching regulators offers good performance, low cost, and low output ripple making it an ideal choice for a variety of applications.

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