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AC-DC Controllers & Regulators

ON Semiconductor supplies offline ac-dc controllers and regulators, power factor controllers, and secondary side controllers that enable high active mode efficiency, low standby mode consumption and power factor correction.


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NCP1340  NCP1341  High-Voltage, Quasi-Resonant Controller Featuring Valley Lock-Out Switching

  • QR frequency jittering reduces EMI signature
  • Maximize efficiency with valley switching and lockout
  • Quiet-Skip™ technology enables operation outside audible range