AP1681 controller equivalent, off-line primary side regulation controller.
low start-up current, low operation current and high efficiency. It also has rich protection functions including over voltage, short circuit, over current and over temper.
The device uses Pulse Frequency Modulation (PFM) technology to regulate output current according to the wall dimmer con.
The AP1681 is a powerful high performance AC/DC power supply controller for dimmable LED lighting applications. The device uses Pulse Frequency Modulation (PFM) technology to regulate output current according to the wall dimmer conduct angle. The AP1.
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