SP7651ER-L/TR

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SP7651ER-L/TR is an integrated highly advanced step-down DC-DC switching regulator module designed with a synchronous buck topology. It is intended for applications such as LED lighting, data access and telecommunication system, notebook and battery-powered devices, and other embedded systems. It is often used as a voltage regulator or a DC power supply.

The module features a wide input voltage range of 3V to 28V and an adjustable output voltage ranging from 0.6V to 25V. It is PWM dimmable with an output current of up to 3A, and has a high efficiency of over 95%. Additionally, built-in control and monitoring features, such as overvoltage protection and undervoltage protection, reset, and output enable, are also available. Other features include temperature-compensated voltage regulation, current protection, auto-restart, and over-temperature protection.

The SP7651ER-L/TR operates by controlling an integrated switching MOSFET with pulse-width modulation (PWM) to regulate the output voltage. The maximum output power of the unit is 75W. The output voltage of the module is reference voltage and can be adjusted. The firing of the MOSFET is controlled by the pulse width modulation and is proportional to the reference voltage. When the output voltage is below the set value, the PWM signal width is increased and the MOSFET is on for a longer time, resulting in an increase in output current. In contrast, when the output voltage is above the set value, the PWM signal width is decreased and the MOSFET is on for less time, resulting in a decrease in output current.

The SP7651ER-L/TR is a highly efficient DC-DC switching regulator module that operates with a minimum switching frequency of 1.2MHz and over 95% efficiency. It is suitable for a wide range of applications, such as LED lighting, data access and telecommunication system, notebook, and battery-powered devices. Its compact size and simple use make it an optimal choice for embedded projects and other projects requiring a reliable source of power.

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