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ICE3PCS03G Datasheet(PDF) 16 Page - Infineon Technologies AG |
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ICE3PCS03G Datasheet(HTML) 16 Page - Infineon Technologies AG |
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16 / 20 page ![]() CCM-PFC ICE3PCS03G Electrical Characteristics Version 2.0 16 5 May 2010 4.3.2 Variable Frequency Section 4.3.3 PWM Section 4.3.4 External Synchronization Parameter Symbol Limit Values Unit Test Condition Min. Typ. Max. Switching Frequency (Typical) FSWnom 62.5 65 67.5 kHz R5 = 67k Ω Switching Frequency (Min.) FSWmin - 21 - kHz R5 = 212k Ω Switching Frequency (Max.) FSWmax - 250 - kHz R5 = 17k Ω Voltage at FREQ pin VFREQ -1 - V Max. Duty Cycle Dmax 93 95 98.5 % fSW=fSWnom (RFRE=67kΩ) Parameter Symbol Limit Values Unit Test Condition Min. Typ. Max. Min. Duty Cycle DMIN 0% VVSENSE= 2.5V VICOMP= 4.3V Min. Off Time TOFFMIN 310 600 920 ns VVSENSE= 2.5V VISENSE= 0V (R5 = 67k Ω) Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. Detection threshold of external clock Vthr_EXT 2.5 V Synchronization range fEXT_range 50 150 kHz Synchronization frequency ratio fEXT:fPFC 1:1 propagation delay from rising edge of external clock to falling edge of PFC gate drive TEXT2GATE 500 ns fEXT=65kHz Allowable external duty on time TD_on 10 70 % |
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