AC/DC高PF隔离方案

High Power Factor Flyback PWM Controller

SNO3A is a high power factor flyback PWM controller special for lighting applications.\r\n SNO3A 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 compa • Low Start-up Current and Operating Current \r\n• Cycle-by-Cycle Current Limiting \r\n• Internal Leading Edge Blanking \r\n• Analog multiplier for Power Factor Correction \r\n• Iinternal Startup Timer for Stand-alone Applications \r\n• Trimmed 1.5% Internal Band gap Reference \r\n• Under Voltag;