Summary:
Switching power supply, which is a kind of power source that uses modern power electronics technology to maintain output voltage stability by controlling the time ratio of switching on and off. It is widely used in electronic equipment such as computers, televisions, and video cameras. The flyback converter has the advantages of simple circuit, isolated input and output voltage, low cost and less space requirement, and has been widely used in small power switching power supplies. However, when the output current is large and the output voltage is low, the conventional flyback converter, the secondary rectifier diode has large on-state loss and reverse recovery loss, and the efficiency is low. Synchronous rectification technology uses a dedicated power MOSFET with very low on-state resistance to replace the rectifier diode. Applying synchronous rectification technology to a flyback converter can improve the efficiency of the converter.
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Watch Screen Protector features a stretchable and retractable TPU Screen Protector that resists air bubbles and fingerprints on your device's screen and provides maximum protection for your device from scratches. The Hydrogel Film repairs screen scratches on its own and is ideal for curved curved screens.
Full Coverage: The soft material matches the edges of the watch screen well. Full coverage provides better protection and looks very discreet.
Oleophobic and waterproof: The oleophobic waterproof transparent layer can prevent the residue of sweat and grease, resist fingerprints, and keep the phone screen as new as ever.
Sensitive touch: only 0.14mm thick ultra-thin protective layer will not interfere with touch screen commands, your touch screen can still operate 100% normally.
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Shenzhen Jianjiantong Technology Co., Ltd. , https://www.mowang-dg.com