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.
Image gallery
TAGS
Download