ICE3PCS02GXT

VCC CCM-PFC ICE3PCS02G Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM) Product Highlights High efficiency over the whole load range Lowest count of external components Accurate and adjustable switching frequency Integrated digital voltage loop compensation Fast output dynamic response during load jump ICE3PCS02G External synchronization PG-DSO-8 Low peak current limitation Features Description Continuous current operation mode PFC The ICE3PCS02G is a 8-pins wide input range controller Wide input range of Vcc up to 25V IC for active power factor correction converters. It is de- Enhanced dynamic response without input current signed for converters in boost topology, and requires few distortion external components. Its power supply is recommended to External current loop compensation for greater be provided by an external auxiliary supply which will user flexibility switch on and off the IC. Open loop protection Second over bulk voltage protection Maximum duty cycle of 95% (typical) DBYP D B L Boos t R R R GATE BVS 1 BVS 4 Line CB 90 ~ 270 Vac Filter C E RGS RBVS 2 RBVS 5 RSHUNT R R BVS 3 BVS 6 R CS ISENSE GATE VSENSE OVP GND FREQ ICOMP VCC RFREQ C CVCC ICOMP Type Package ICE3PCS02G PG-DSO-8 Version 3.0 1 03 April 2017CCM-PFC ICE3PCS02G 1 Pin Configuration and Functionality .3 1.1 Pin Configuration 3 1.2 Pin Functionality 3 2 Block Diagram .4 3 Functional Description 6 3.1 General .6 3.2 Power Supply .6 3.3 Start-up .6 3.4 Frequency Setting and External Synchronization .6 3.4.1 Frequency Setting .6 3.4.2 External Synchronization 7 3.5 Voltage Loop .7 3.5.1 Notch Filter 7 3.5.2 Voltage Loop Compensation .7 3.6 Average Current Control 8 3.6.1 Complete Current Loop .8 3.6.2 Current Loop Compensation .8 3.6.3 Pulse Width Modulation (PWM) .8 3.7 PWM Logic 9 3.8 System Protection .9 3.8.1 Peak Current Limit (PCL) 9 3.8.2 Open Loop Protection (OLP) .9 3.8.3 First Over-Voltage Protection (OVP1) .10 3.8.4 Second Over Voltage Protection (OVP2) 10 3.9 Output Gate Driver 10 3.10 Protection Function .11 4 Electrical Characteristics .12 4.1 Absolute Maximum Ratings .12 4.2 Operating Range .13 4.3 Characteristics .13 4.3.1 Supply Section .13 4.3.2 Variable Frequency Section .14 4.3.3 PWM Section 14 4.3.4 External Synchronization .14 4.3.5 System Protection Section 15 4.3.6 Current Loop Section 15 4.3.7 Voltage Loop Section 15 4.3.8 Driver Section .16 4.3.9 Gate Drive Section 16 5 Outline Dimension .17 Version 3.0 2 03 April 2017