NCL2801 Series
Critical Conduction Mode (CrM) Power Factor Correction Controller, THD Enhancer
Manufacturer: ON Semiconductor
Catalog
Critical Conduction Mode (CrM) Power Factor Correction Controller, THD Enhancer
Key Features
• Valley Count Frequency Foldback
• Dynamic Response Enhancer
• Soft/Fast OVP
• THD Enhancer
• Line level feed-forward
• Protections- Brown Out - Thermal Shutdown - OVP - Over Current limitation - Pin open/short protection
• Wide Vcc (10.5~28 V) range/ 3 Vcc startup level
• OTA Error Amp
Description
AI
The NCL2801 is a current mode CRM Boost PFC control IC which can provide the best class THD performance over extended operating range utilizing ON Semiconductor’s THD enhancer technique. Efficiency and standby power are enhanced with Valley Count Frequency Fold-back (VCFF) method.