LD7833 2016/12/23 High Power Factor Primary Side Flyback LED Controller With TRIAC Dimming REV: 00 General Description The LD7833 is a primary side regulation Flyback controller with power factor for TRIAC dimmable LED driver.
The LD7833 provides constant current (CC) operation requiring neither photo-coupler nor secondary control circuit.
It minimizes the components counts in a tiny package.
Those make it easy to design for costeffective applications.
With high voltage start-up technology, high power factor and TM control, the start-up time and MOSFET switching losses could be minimized efficiently.
With completed protection built in this IC, such as overvoltage protection (OVP), over-cur...

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