MAX5068BAUE+T

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The MAX5068BAUE+T is an efficient, high-voltage, low-power synchronous step-down switching controller IC, featuring an integrated 0.8A/1.5A high-side and low-side gate driver with an adjustable switching frequency range up to 2MHz. The device is well-suited for low-cost, space-constrained applications such as AC adaptors, LED strips, point-of-load converters, and audio/video applications. The highly efficient synchronous step-down switching and low output voltage ripple makes the device an ideal solution for high-efficiency, high-efficiency applications that require tighter regulation.

The MAX5068BAUE+T has a wide application field and can be used for various switching devices such as MOSFETs, IGBTs, and other power switches. Its output voltage can be adjusted to meet the demand of application.The amplifier and PWM controller are integrated on the MAX5068BAUE+T and it features a 0.8A/1.5A high-side and low-side gate driver. It also provides constant frequency current mode control and cycle-by-cycle overcurrent protection. The integrated short-circuit protection, soft-start, and overvoltage protection make the device reliable and easy to use. The MAX5068BAUE+T also supports a wide input voltage range from 3.5V to 28V and adjustable output voltage.

The MAX5068BAUE+T can be used in various applications such as LED strips, point-of-load (POL) converters, DC-DC converters, AC adaptors and more. It is a high-performance and high-reliability switching device which helps to reduce system power consumption and improve power efficiency. Additionally, the device has an integrated output voltage monitor, an over-temperature warning, and an adjustable switching frequency range up to 2MHz.

In terms of working principle, the MAX5068BAUE+T contains two basic blocks- the amplifier and the power switch. The amplifier will form a voltage divider based on the corresponding feedback network. The output of this voltage divider will be processed by the inner amplifier and sent to the PWM controller. The PWM controller will then generate the corresponding duty cycle signal, which is sent to the high-side and low-side drivers. The high-side and low-side drivers will both switch the corresponding high-side and low-side MOSFETs. The high-side MOSFET will be switched on when the duty cycle is greater than 50%, and the low-side MOSFET will be switched on when the duty cycle is less than 50%. The output voltage will be regulated according to the duty cycle.

Overall, the MAX5068BAUE+T is a high-performance, high-reliability device suitable for various DC-DC switching applications. It provides highly efficient synchronous step-down switching, a wide input voltage range, and adjustable output voltage with a maximum output current of up to 0.8A/1.5A. Additionally, the device is integrated with an overload protection and an adjustable switching frequency range up to 2MHz.

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