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SG6932DZ Datasheet(PDF) 8 Page - Fairchild Semiconductor |
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SG6932DZ Datasheet(HTML) 8 Page - Fairchild Semiconductor |
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8 / 20 page  Product Specification Green-Mode PFC / Forward PWM Controller SG6932 © System General Corp. - 8 - www.sg.com.tw • www.fairchildsemi.com Version 1.1.1 (IAO33.0011.B2) September 19, 2007 PWM-Current Sense Symbol Parameter Test Conditions Min. Typ. Max. Unit TPD-PWM Propagation Delay to Output – VLIMIT Loop VDD=15V, OPWM drops to 9V 60 120 ns VLIMIT Peak Current Limit Threshold Voltage 0.65 0.70 0.75 V TBNK-PWM Leading-Edge Blanking Time 270 350 450 ns △ VSLOPE Slope Compensation △ Vs=△VSLOPE x (Ton/T) △ Vs: Compensation Voltage Added to Current Sense 0.40 0.45 0.55 V Output Driver Symbol Parameter Test Conditions Min. Typ. Max. Unit VZ-PWM Output Voltage Maximum (Clamp) VDD=20V 16 18 V TPWM Interval of OPWM Lags Behind OPFC at Start-up RI=24kΩ 2 4 6 ms VOL-PWM Output Voltage Low VDD=15V; IO=100mA 1.5 V VOH-PWM Output Voltage High VDD=13V; IO=100mA 8 V TR-PWM Rising Time VDD=15V; CL=5nF; O/P=2V to 9V 30 60 120 ns TF-PWM Falling Time VDD=15V; CL=5nF; O/P=9V to 2V 30 50 110 ns Maximum Duty Cycle Symbol Parameter Test Conditions Min. Typ. Max. Unit DC SS=6V Maximum Duty Cycle for SS=6V RI=24kΩ 62 66 % DC SS=5V Maximum Duty Cycle for SS=5V RI=24kΩ 46 50 % Soft-Start Symbol Parameter Test Conditions Min. Typ. Max. Unit ISS Constant Current Output for Soft-Start RT=24kΩ 44 50 56 µA VDC-MAX-50% Voltage of SS for 50% Maximum Duty Cycle 5 V VDC-MAX--65% Voltage of SS for 65% Maximum Duty Cycle 6 V RD Discharge Resistance 470 Ω |
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