MAX17290ETCC+T

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MAX17290ETCC+T Application Field and Working Principle

The MAX17290ETCC+T from Maxim Integrated is a ultra-small, high-efficiency, synchronous, low-side DC-DC buck regulator. It is optimized to deliver up to 0.6A of RMS continuous load current for a wide variety of applications.

The MAX17290ETCC+T is an advanced, ultra-small DC-DC switching regulator that is designed to deliver 0.6A of continuous load current in a low-profile, thermally enhanced UltrathinMLP package or a thermally enhanced WLP package. It has an input voltage range of 3.3V to 20V and can be configured to support adjustable output voltages from 0.75V to 5.5V with ±1% accuracy. Its high efficiency and low quiescent current make it ideal for use in space-constrained and/or battery-operated applications.

The MAX17290ETCC+T employs synchronous rectification, high-frequency, fixed frequency buck switching, high-side and low-side N-Channel MOSFETs, and pulse width modulation (PWM) with peak current mode control to ensure reliable, consistent operation.

Its wide, adjustable output voltage and high efficiency make the MAX17290ETCC+T perfect for battery-powered and space-constrained applications. It can be used to power all types of ICs, displays and motors in mobile phones, tablets, laptops, digital cameras and other portable devices.

The MAX17290ETCC+T integrates several features including programmable current limit, overtemperature protection, input voltage UVLO, and soft-start. Programmable output voltage signaling and flag, adjustable soft-start, external synchronization and Power-OK support, and user-programmable switching frequency enable system designers to easily meet their end application requirements.

The MAX17290ETCC+T is a low-side, synchronous buck regulator with synchronous rectification. The core of the circuit is a PWM voltage mode controller. The external MOSFETs are driven by the internal driver, and the oscillator of the controller controls the switching frequency. The maximum switching frequency is 1.2MHz and can be programmed using two external resistors. The voltage mode control regulates the output voltage by comparing the feedback voltage with the internal reference.

The MAX17290ETCC+T is designed to smoothly transition between synchronization to internal oscillator mode with no glitches on the output voltage. The WSON MAX17290ETCC+T package is thermally enhanced, reducing the additional external heating components, while delivering excellent thermal performance.

The MAX17290ETCC+T is a high efficiency, low-side DC-DC converter used in a wide range of applications, including in portable devices, consumer electronics, and communications equipment. Its features make it ideal for low-power and space-constrained applications that require high efficiency and wide adjustable output voltage.

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