LD7838 controller equivalent, high power factor flyback led controller.
* High voltage (700V) startup circuit by HV pin for 85~305VAC input range
* High Power Factor ( > 0.92)
* High-efficiency Transition mode operation
* Lowe.
With High Voltage start-up technology, power factor correction and boundary mode switching control, the start-up time a.
The LD7838 is a 700V HV start-up active PFC Flyback controller, specially designed for LED lighting application. This device operates in transition or boundary mode and integrates with completed protections required. It minimizes the components count.
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