MAX15032ATA+T

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PMIC - Voltage Regulators - DC DC Switching Regulators

MAX15032ATA+T is a DC-DC synchronous step-down regulator with integrated MOSFETs which is capable of providing high current and high efficiency. It has an adjustable operating frequency up to 3 MHz, a wide operating input voltage range from 2.5V to 10V, and an adjustable output voltage range from 0.6V to VIN. The device integrates two high-side and two low-side p-channel MOSFETs, a high-side current sense circuit, and an accurate current limit circuit. It also provides integrated compensation, over-temperature protection, and over-voltage protection.

Application Field

The MAX15032ATA+T is ideal for powering applications with high current needs, such as DSPs, microprocessors, FPGAs, and ASICs. It can also be used for LED backlighting, automotive applications, and other mobile devices and accessories. Furthermore, its high frequency/high power operation and small form factor make it suitable for small-space applications.

Working Principle

The MAX15032ATA+T operates by switching on the integrated MOSFETs at a predetermined frequency to step down the input voltage level and provide a regulated output voltage. The input voltage is converted to an output voltage through the conduction of two N-channel and two P-channel MOSFETs. When the N-channel MOSFET is on, a current is allowed to flow through the inductor and into the load. When the N-channel MOSFET is off, the inductor energy is transferred to the output capacitor to provide voltage regulation. The P-channel MOSFETs are then turned on and off to regulate output current.

The MAX15032ATA+T has a variety of protection features to prevent over-current, over-voltage, and over-temperature conditions. The device is able to protect itself by reducing its output voltage or current depending on the situation.

Conclusion

The MAX15032ATA+T is a highly efficient DC-DC synchronous step-down regulator with integrated MOSFETs. It has a wide operating input voltage range, adjustable output voltage, and variable switching frequency up to 3 MHz. Its small form factor and integrated protection features make it well-suited for use in various applications such as powering processor cores, LEDs, automotive electronics, and mobile devices.

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