Infineon Technologies AG Evaluation Boards EVALPFC2-ICE2PCS01

The evaluation board is a 300W power factor correction (PFC) circuit with 85~265VAC universal input and 393VDC fixed output. Boost converter topology is employed in this board. The continuous conduction mode (CCM) PFC controller ICE2PCS01 is employed in this board to achieve the unity power factor. The switching frequency is programmable by external resistor at one pin. There are various protection features incorporated to ensure safe system operation conditions. The device has a unique soft-start function which limits the start up inrush current thus reducing the stress on the boost diode. To improve the efficiency, the third generation CoolMOS™ is used as the power switch due to its lowest area specific Rdson. High voltage Silicon Carbide (SiC) Schottky diode thinQ!™ is used as PFC boost diode. Because of its ideal reverse recovery behavior, SiC Schottky diode is extremely suitable for high frequency CCM PFC application. Summary of Features Ease of Use with Few External Components Supports Wide Range Average Current Control External Current and Voltage Loop Compensation for Greater User Flexibility Programmable Operating/Switching Frequency (50kHz - 250kHz) Max Duty Cycle of 95% (at 25°C) at 125kHz Trimmed Internal Reference Voltage (3V+2% at 25°C) VCC Under-Voltage Lockout Cycle by Cycle Peak Current Limiting Output Over-Voltage Protection Open Loop Detection Enhanced Dynamic Response Short Startup (SoftStart) duration Fulfills Class D Requirements of IEC 1000-3-2 Soft Overcurrent Protection Potential Applications PC silverbox, Server PSU and industrial SMPS

ICE2PS01 Power Factor Correction Power Management Evaluation Board