MAX16935CAUER/V+T

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The MAX16935CAUER/V+T is a high-power synchronous step-down DC/DC converter from Maxim Integrated, suitable for automotive applications in order to maximize power density and efficiency. The compact 3mm x 3mm size of the device supports space-constrained applications like ESC, LCD, ADAS, instrument cluster, 3DTS, and entertainment systems. The MAX16935CAUER/V+T DC/DC converter supports an input voltage range of 4.5V to 32V and an output voltage range of 0.8V to 5.5V. The integrated power MOSFETs enable high-current operation up to 10A by providing 100mA gate drive to heavy load and high-side MOSFETs.

The MAX16935CAUER/V+T features various protection features such as overcurrent protection, overload protection, overtemperature protection, and undervoltage lockout. Additionally, it features a low-ripple Burst Mode operation and spread spectrum capability that reduce clock-related EMI and noise. The device can also be synchronized to an external clock up to 1MHz.

The MAX16935CAUER/V+T device belongs to the family of PMIC - Voltage Regulators - DC DC Switching Regulators. As a step-down DC/DC converter, its main application field is automotive applications that require high-power operation and a high level of efficiency. Its main working principle is based on synchronous rectification, where the high side and low side MOSFETs of the converter are switched in a symmetrical manner in order to convert the input voltage to the desired output voltage.

The synchronous rectifier on the MAX16935CAUER/V+T uses a fixed frequency of 450kHz, which can be adjusted from 200kHz to +-20%. This topology maximizes the efficiency of the voltage conversion process by reducing the power losses resulting from the conversion. The MAX16935CAUER/V+T also uses a constant-on-time (COT) control mechanism for improved loop performance. The COT control method helps to achieve fast transient response, low input current ripple, and low output voltage ripple by maintaining an optimal on-time.

The MAX16935CAUER/V+T device also offers a wide selection of safety features, such as power up sequencing, over-voltage protection, under-voltage protection, overtemperature protection, and overcurrent protection.

The MAX16935CAUER/V+T synchronous step-down DC/DC converter is an ideal choice for automotive applications that require high-power operation, space-constrained design, and high efficiency. The device utilizes a synchronous rectification topology with a COT control system to maximize its power conversion efficiency. It also features various protection features which make it suitable for a wide range of automotive applications.

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