LD7838H Overview
The LD7838H is a 700V HV start-up flyback PFC controller, specially designed for LED lighting. This device operates in transition mode(TM) and integrates with pleted protections required. It minimizes the ponents counts in either SOP-7 package.
LD7838H Key Features
- High voltage (700V) startup circuit for 305VAC
- High Power Factor Flyback PFC controller
- High-efficiency Transition mode operation
- Low Operation Current and Fast start up
- Accurate OLP pensation for High/ Low Line
- BNI/ BNO Detection Function by HV pin
- Wide UVLO (16.5 Von and 8 Voff) Range
- Cycle by Cycle Current Limiting for Over Current
- OVP (Over Voltage Protection) Function by ZCD
- Internal OTP function
