BCD Semiconductor Manufacturing Limited AP1681
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 AP1681 achieves wide dimming range without visible flicker and is compatible with diverse dimmers.| Part No. | AP1681 |
|---|---|
| Datasheet | AP1681 Download |
| Manufacturer |  BCD Semiconductor Manufacturing Limited |
| Description | Off-line Primary Side Regulation Controller |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The AP1681 features 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 temperature protections. The AP1681 is available in SOIC-8 package.FEATURES
● Primary Side Control for Output Current Regulation Without Opto-coupler and Secondary CV/CC Control Circuitry Adjustable Full Brightness and Full Dimming Setting Wide Dimming Range From 100% to 1%, Down to Full Darkness Adjustable Dimming Curve for Human Eye Sensitivity No Visible Flicker Connectivity with Analog / Digital / Hybrid Dimming Mode Built-in Acceleration Start Adjustable Soft-start Timing CV Open-load Regulation and Reload Detection Over Voltage and Short Circuit Protection Over Temperature Protection Over Current Protection Maximum Switch On-time Protection●
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APPLICATIONS
● Dimmable LED Driver Suit for Leading-edge Dimmer, Trailing-edge Dimmer, R Type, R-C Type or R-L Type Dimmer SOIC-8 Figure 1.
