MAX8632ETI+

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The MAX8632ETI+ belongs to the class of special purpose voltage regulators within the PMIC category. This integrated power device is designed to perform multiple power functions in system designs involving mobile applications. The application field of the MAX8632ETI+ is wide, encompassing a broad range of portable device use including operational amplifiers, medical equipment, cellular phones, notebooks, and a variety of other electronics.

The MAX8632ETI+ is powered from 3.6V to 5.5V input voltage and has a switching frequency of 2MHz. The integrated device acts as a complete, two-phase buck regulator with two integrated FETs andInductor so no external components as required. It is able to provide up to 3A output current with an efficiency close to 90%.This voltage regulator has been optimized for portable applications and power management in mobile devices.

The MAX8632ETI+ is a highly efficient, integrated, step-down DC-DC converter containingtwo channels, which are specifically designed to power the complementaryN-channel and P-channel power MOSFETs of the DC–DC converter. Each channel of the device incorporatesprotection circuits as well as independent enable and STATUS signal pins. The device also contains a wide range of features such as, adjustable UVLO, cycle-by-cycle current limit and fold-back operation for over-current protection.

The two main features of the MAX8632ETI+ are its low-noise operation and its versatile, wide-range voltage loop architecture. The device has a wide, programmable range and flexibility which allows the device to step down and regulate a wide range of input voltages. The device also has low noise operation and low-jitter oscillator, which enable accurate and precise monitoring of the output voltage. As the device is powered by a low-noise power source, the device can regulate output voltage accurately and stably.

The MAX8632ETI+ employs an Analog-to-digital (A/D) converter that is used to continuously monitor and adjust the output voltage. The A/D converter is coupled with independent voltage references and a RMS (root mean square) current limit in order to achieve reliable and precise control of the output voltage. The internal soft start circuit ensures smooth and reliable power up and power down operations. The device also features an under-voltage lock-out (UVLO), cycle-by-cycle current limit with power good output indicator that can be used to alert external circuitry in case of an overload or over-current condition.

The MAX8632ETI+ is a fully integrated, high-efficiency, buck regulator which operates at a switching frequency of 2MHz. The device is powered from 3.6V to 5.5V input voltage and can provide up to 3A output current with an efficiency close to 90%. The device provides low-noise power management, precise voltage regulation and fault management. This voltage regulator is designed to meet the requirements of portable applications in the medical, telecommunications and consumer electronics markets.

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