CS1501 - Cirrus Logic

CS1501 Digital Power Factor Correction Controller

CS1501 Link V oltage S ens e S tandby Rec tifier V oltage S ens e P FC Current S ens e IFB S TBY IA C CS 1 8 2 7 3 6 4 5 8-lead S OIC VDD GD GND ZC D IC S upply V olta.

Features

 Digital EMI Noise Shaping  Adaptive Digital Energy Controller
• Excellent Efficiency Under All Load and Line Conditions
• Zero-voltage Switching Topology  Minimal External Devices Required  Adaptive Digital Control Loop  Comprehensive Safety Features
• Undervoltage Lockout (UVLO)
• Output Overvoltage Protection
• Cycle-by-cycle Current Limiting
• Open/Short Loop Protection for IAC & IFB Pins
• Thermal Shutdown  Pin Placement Similar to Traditional Boundary Mode (CRM) Controllers Overview The CS1501 is a high-performance digital power factor correction (PFC) controller designed for swit.