LD7838 Description
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 pleted protections required. It minimizes the ponents counts in either SOP-7 package.
LD7838 Key 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 pensation for High/ Low Line
- Built in BNI/ BNO Function
- Wide UVLO (16Von and 8 Voff) range
- Built in VCC Over Voltage Protection
- Built in Over Load Protection
- Adjustable Over Output Current Protection (Cycle