MAX5072ETJ+T

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The MAX5072ETJ+T is an ultra-small, low-profile, high-efficiency, DC-to-DC switching step-down regulator that takes a wide input voltage range and reduces it to a low output voltage. It is a highly integrated Power Management Integrated Circuit (PMIC) that is specifically intended for powering space-constrained applications. This PMIC features a high-voltage power MOSFET and voltage regulation circuitry, along with built-in current- and thermal-limiting, diagnostics, and fault protection functions. The MAX5072ETJ+T also offers outlier protection and noise filtering, and its integrated unregulated capacitor ensures stability of the output voltage over a wide range of line and load conditions.

DC-DC switching regulators include a range of electronic components, such as voltage step-up, step-down, and isolation regulators, as well as switching converters and controllers. In particular, the MAX5072ETJ+T is an advanced step-down regulator, providing highly efficient operation while boosting the current-handling capability of the output stage to more than 400mA. It utilizes positive charge-pump action, combined with its integrated switching MOSFET, to provide a smooth output voltage over a wide input voltage range.

At the heart of the MAX5072ETJ+T is a high-voltage, logic-level shift MOSFET, with a peak current rating of more than 150mA, that connects to a 200mO reguible transistor. When the MOSFET is turned on, the power is transferred from VIN to VOUT via the regulator, reducing the output voltage from the input voltage to the desired value. When the MOSFET is turned off, the power is diverted away from the regulator. This basic switch action allows the MAX5072ETJ+T to boost the current output, even as the input voltage is varied over a wide range.

The MAX5072ETJ+T features several features that enhance its performance and reliability. A low RDS(on) boost MOSFET enables low power losses and high output current rating, while its integrated voltage and current regulation circuitry ensures a smooth and stable output voltage in the presence of varying input and load conditions. The regulator also offers over-current and thermal protection to prevent damage to the device in the case of overloading or fault conditions. Additionally, high-frequency noise filtering is provided to reduce EMI and simplify layout of the board.

The MAX5072ETJ+T can operate in both continuous and discontinuous mode for improved efficiency, and its low quiescent current design allows it to achieve low power dissipation during idle periods. The small size and low profile of the MAX5072ETJ+T make it an ideal choice for applications that require space-saving solutions.

Overall, the MAX5072ETJ+T is a highly integrated DC-DC switching step-down regulator that offers the performance and features required for powering space-constrained applications. It features a high-voltage power MOSFET, voltage regulation circuitry, and built-in current- and thermal-limiting, diagnostics, fault protection, and over-current protection capabilities. It is highly efficient, with low power losses, and its small size and low profile make it ideal for space-saving solutions.

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