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ICE1CS02 Datasheet(PDF) 22 Page - Infineon Technologies AG |
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ICE1CS02 Datasheet(HTML) 22 Page - Infineon Technologies AG |
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22 / 27 page  Combi PFC/ PWM Controller ICE1CS02 Electrical Characteristics Version 1.0 22 25 July 2008 4.3.5 PWM Current Limiting 4.3.6 PWM Slope Compensation 4.3.7 PWM Timing Section Parameter Symbol Limit Values Unit Test Condition min. typ. max. Peak Current Limitation Vcsth 0.95 1.00 1.05 V Leading Edge Blanking tLEB -220 - ns CS Input Bias Current ICSbias -1.0 -0.2 0 µA VCS = 0V Parameter Symbol Limit Values Unit Test Condition min. typ. max. Peak Current for Slope Compenation Islope 85 150 215 µA at fPWM=70kHz, 60% Max Duty Cycle Parameter Symbol Limit Values Unit Test Condition min. typ. max. Soft Start Timing tSS -12- ms Fixed Oscillator Frequency fdelta 110 140 kHz Synchronizable range 70 150 kHz Max. Duty Cycle 2 Internal Free Run Dmax2INT 56.5 59.0 61.5 % Vsync < 3.0V Vsense < 2.6V Max. Duty Cycle 1 Internal Free Run Dmax1INT 44.5 47.0 49.5 % Vsync < 3.0V Vsense > 2.6V Max. Duty Cycle 2 (70kHz) External Synchronization Dmax2EXT70 51.0 57.0 63.0 % at fPWM=70kHz Vsync < 3.0V Vsense < 2.6V Max. Duty Cycle 1 (70kHz) External Synchronization Dmax1EXT70 37.0 43.0 47.0 % at fPWM=70kHz Vsync < 3.0V Vsense > 2.6V Max. Duty Cycle 2 (150kHz) External Synchronization Dmax2EXT150 54.0 60.0 66.0 % at fPWM=150kHz Vsync < 3.0V Vsense < 2.6V Max. Duty Cycle 1 (150kHz) External Synchronization Dmax1EXT150 39.5 45.0 49.5 % at fPWM=150kHz Vsync < 3.0V Vsense > 2.6V Min. Duty Cycle Dmin 0- - % VFB < 0.3V Max. Allowable External Sync Pulse Width off Time tsyncmax -- 0.5 µs Min. Allowable External Sync Pulse Width off Time tsyncmin 0.35 - - µs |
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