MAX15166EWE+T

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MAX15166EWE+T Application Field and Working Principle

DC DC switching regulators are specialized circuits designed to regulate and adjust the voltage level of a given electrical source. These circuits are used in a variety of applications, including automotive, industrial, medical, and mobile devices.

The MAX15166EWE+T is a synchronous step-down DC DC switching regulator with an integrated Switched-Capacitor Adaptive Voltage Scaling (AVS) controller and is intended to provide a highly efficient solution for 12V/19V-based systems and/or other battery voltage applications. The MAX15166EWE+T features an integrated N-channel synchronous P-channel MOSFET, adjustable output voltage up to 15V and internal compensation for further design flexibility. It also operates at switching frequency up to 2.6MHz and includes power-save, power-GATE™, and dynamic frequency scaling modes to reduce system quiescent current.

The MAX15166EWE+T is a synchronous buck regulator that uses pulse-width modulation (PWM) to precisely control voltage output. The input voltage is compared to a reference voltage to determine when to turn the switch on or off. In each operating cycle, when the switch is on, energy stored in the input power supply is transferred to an output inductor, which provides current to the output and boosts it to the desired level. When the switch turns off, the energy stored in the inductor is transferred to the output via the output compensation network and the output capacitor.

In addition, the MAX15166EWE+T also features a patented Adaptive Voltage Scaling (AVS) control loop that adjusts the switching frequency to minimize input energy consumption while providing maximum dynamic load current and 60-dB ripple rejection. In this mode, the switch automatically adjusts its duty cycle to achieve the desired output voltage, while maintaining the current consumption at an optimal level.

The MAX15166EWE+T is available in a 3mm x 3mm, 16-pin QFN package with an operating temperature range from -40°C to +125°C. It\'s also suitable for applications such as industrial automation equipment, IoT/IIoT sensors, medical monitoring systems, battery powered systems, LEDs, and automotive control systems. With its low input-to-output voltage drop feature, the MAX15166EWE+T is ideal for minimizing power loss in systems where low input voltages, such as 12V or 19V, are used.

Overall, the MAX15166EWE+T provides a highly efficient solution for 12V/19V-based systems and/or other battery voltage applications. With its adjustable output voltage, power-save, and power-GATE™ modes, it provides maximum dynamic load current and 60-dB ripple rejection for improved system performance.

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