MAX5035AASA+T

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MAX5035AASA+T is a DC-DC switch regulator power module that provides all the necessary components for a high-efficiency, isolated, regulated DC-DC switching power supply. The power module delivers regulated output voltages from 3.3V to 24V at up to 4A or 50W depending on package and configuration. The module includes a controller, a high-frequency transformer, a FET, varistor, an external resistor, and an output filter and the module size is about half of the traditional solution. It features excellent EMI performance that is compliant with CISPR32 Class B certification. The device is available in a 24-pin thermally enhanced 7mm × 7mm QFN package and is designed for a wide range of applications such as telecom, distributed power systems, datacom/server, and industrial automation.

The MAX5035AASA+T utilizes a synchronous evolution topology to provide an efficient, reliable, and noise-free power solution. This topology involves the use of two FETs in parallel - one FET conducts during the "on" period while the other FET conducts during the "off" period. During the "on" period, both FETs conduct, drawing energy from the input power source and storing it in the external inductor. This energy is then transferred to the output during the "off" period, relying on the "flyback" principle to regulate the output voltage.

The main input voltage range for the MAX5035AASA+T is from 36V to 75V. The output voltage can be adjusted within the range of 3.3V to 24V through external resistors. It also features a unique current-fold back protection that regulates the output current by reducing the duty cycle when the output current reaches the preset threshold. This feature lowers the input power dissipation during overload conditions and eliminates the need for external overcurrent protection circuits. The device also features low-current shutdown protection and internal overvoltage protection.

The MAX5035AASA+T is designed for applications such as hot-swap power supplies, multi-output power supplies, distributed power supplies, and industrial automation. In particular, its excellent EMI performance makes it well-suited for telecom applications with stringent EMI requirements. It also has the advantage of being able to produce multiple outputs at different voltage levels with no need to external power components.

In summary, the MAX5035AASA+T is an excellent power module for DC-DC applications in which high efficiency, low EMI, and small size are important performance criteria. Thanks to its unique features, including current-fold back protection, low-current shutdown protection, and internal overvoltage protection, this power module provides an efficient, reliable, and noise-free power solution for a wide range of applications.

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