Description
DATA SHEET www.onsemi.com Enhanced, High‐Efficiency Power Factor Controller NCP1612A, NCP1612B, NCP1612A1, NCP1612A2, NCP1612A3, NCP1612B2 The NCP161.
Features
* necessary for robust and compact PFC stages, with few external components. General Features
* Near-unity Power Factor
* Critical Conduction Mode (CrM)
* Current Controlled Frequency Fold-back (CCFF): Low Frequency
Operation is Forced at Low Current Levels
* On-time Mo
Applications
* PC Power Supplies
* All Off Line Appliances Requiring Power Factor
Correction
© Semiconductor Components Industries, LLC, 2016
1
February, 2025 - Rev. 12
Publication Order Number: NCP1612/D
NCP1612A, NCP1612B, NCP1612A1, NCP1612A2, NCP1612A3, NCP1612B2
Figure 1. Typical Appli