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LD7838 Datasheet - Leadtrend Technology

LD7838 High Power Factor Flyback LED Controller

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 counts in either SOP-7 package. Those make it easy to d.

LD7838 Features

* High voltage (700V) startup circuit by HV pin for 85~305VAC input range

* High Power Factor ( > 0.92)

* High-efficiency Transition mode operation

* Lower Power Saving ( < 0.5W)

* Accurate OLP Compensation for High/ Low Line

* Built in BNI/ BNO Function

* Wide UVLO (16Vo

LD7838-LeadtrendTechnology.pdf