SN03ACPA PDF Datasheet – Factor Flyback PWM Controller

Part Number: SN03ACPA

Function: High Power Factor Flyback PWM Controller

Package: SOP, DIP 8 Pin Type

Manufacturer: On-Bright Electronics


1 page
SN03ACPA image


The SN03ACPA is a high power factor flyback PWM controller special for lighting applications.
SN03A features an internal start-up timer for stand-alone applications, an analog multiplier with for power factor correction (PFC), zero current detector (ZCD) to ensure TM operation, a current sensing comparator with built-in leading-edge blanking, and a totem pole output ideally suited for driving a power MOSFET.

2 page



1. Low Start-up Current and Operating Current

2. Cycle-by-Cycle Current Limiting

3. Internal Leading Edge Blanking

4. Analog multiplier for Power Factor Correction

5. Internal Startup Timer for Stand-alone Applications

6. Trimmed 1.5% Internal Band gap Reference

7. Under Voltage Lockout with Hysteresis


3 page


1. Single Stage High PF Flyback AC/DC SMPS

2. LED Lighting Power


Other data sheets are available within the file: SN03AAP, SN03ACP


SN03ACPA PDF Datasheet