Adjustable step-down power supply module, adjustable step-down solar charging, recoverable constant voltage and current SJ4
Improved version!!! Used for solar charging.
Introduction: With a wide voltage input of 4.8-30V and a wide voltage output of 0.5-30V, it can increase or decrease voltage. For example, if you adjust the output voltage to 18V, any change in input voltage between 5-30V will result in a constant output of 18V; For example, if you input 12V, adjust the potentiometer to set it to 0.5-30V for any output.
High power, high efficiency, and better performance than the XL6009/LM2577 scheme. Adopting external high-power MOS and large package high current and high voltage diode. Increase heat dissipation and copper plating.
The current size can be set for limiting output current, constant current drive, battery charging, and other applications.
Equipped with output anti backflow function, there is no need to add an additional anti backflow diode when charging the battery.
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