DP DP9128V
DP9128V is a highly integrated power switch with Quasi-Resonant Buck (QR-Buck) constant current (CC) control for LED lighting applications. The IC also integrates high voltage startup/IC supply circuit and a novel transformer demagnetization circuit, which eliminates transformer auxiliary winding. The IC adopts Quasi-Resonant control for high efficiency.| Part No. | DP9128V |
|---|---|
| Datasheet | DP9128V Download |
| Manufacturer | DP |
| Description | Non-isolated Quasi-Resonant Buck LED Power Switch |
| Buy | Stock & Price |
FEATURES
● Integrated with 500V MOSFET● No Auxiliary Winding Needed
● Quasi-Resonant for High Efficiency
● Built-in Thermal Foldback
● Built-in Charging Circuit for Fast Start-Up
● ±4% CC Regulation
● Very Low VDD Operation Current
● Built-in AC Line CC Compensation
● Build in Protections:
● LED Short/Open Protection
● On-Chip Thermal Fold-back (OTP)
● Cycle-by-Cycle Current Limiting
● Leading Edge Blanking (LEB)
● Pin Floating Protection
● VDD UVLO
● Available with SOP-8 Package
APPLICATIONS
● LED Lighting TYPICAL APPLICATION CIRCUITGENERAL DESCRIPTION
DP9128V combines a 500V power MOSFET switch with a power controller in one chip. DP9128V integrates functions and protections of Current Limit and Leading Edge Blanking, Under Voltage Lockout (UVLO), Cycle-by-cycle Current Limiting (OCP), Thermal Foldback (OTP), LED Open/Short Protection, etc. 1 DP9128V Non-isolated Quasi-Resonant Buck LED Power Switch Pin Configuration & Marking Information SOP-8 Output Power Table Part Number Packag...
