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SG6932SZ Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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SG6932SZ Datasheet(HTML) 6 Page - Fairchild Semiconductor |
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6 / 20 page  Product Specification Green-Mode PFC / Forward PWM Controller SG6932 © System General Corp. - 6 - www.sg.com.tw • www.fairchildsemi.com Version 1.1.1 (IAO33.0011.B2) September 19, 2007 VRMS for UVP and ON/OFF Symbol Parameter Test Conditions Min. Typ. Max. Unit VRMS-UVP-1 RMS AC Voltage Under-Voltage Threshold to Turn Off PFC (with TUVP Delay) for UVP Mode1 0.75 0.8 0.85 V VRMS-UVP-2 Recovery Level on VRMS for UVP VRMS-UVP-1+ 0.17V VRMS-UVP-1+ 0.19V VRMS-UVP-1+ 0.21V V TUVP Under-Voltage Protection Propagation to Turn Off PFC Delay Time (No Delay for Start-up) RI=24kΩ 150 195 240 ms PFC Stage Voltage Error Amplifier Symbol Parameter Test Conditions Min. Typ. Max. Unit VREF Reference Voltage 2.95 3.00 3.05 V Av Open-Loop Gain 60 dB Zo Output Impedance 110 kΩ OVPFBPFC PFC Over-voltage Protection 3.20 3.25 3.30 V △ OVPFBPFC PFC Feedback Voltage Protection Hysteresis 60 90 120 mV VFBPFC-H Clamp-High Feedback Voltage 3.10 3.15 3.20 V GFBPFC-H Clamp-High Gain 0.5 mA/V VFBPFC-L Clamp-Low Feedback Voltage 2.75 2.85 2.90 V GFBPFC-L Clamp-Low Gain 6.5 mA/mV IFBPFC-L. Maximum Source Current 1.5 2.0 mA IFBPFC-H. Maximum Sink Current 70 110 µA UVPVFB PFC Feedback Under-Voltage Protection 0.35 0.40 0.45 V VFBHIGH Output High Voltage on VEA 6 7 8 V VRD-FBPFC Voltage level on FBPFC to Enable OPWM During Start-up 2.6 2.7 2.8 V TUVP-PFC Debounce Time of PFC UVP 40 70 120 µs Current Error Amplifier Symbol Parameter Test Conditions Min. Typ. Max. Unit VOFFSET Input Offset Voltage ((-) > (+)) 8 mV AI Open-loop Gain 60 dB BW Unit Gain Bandwidth 1.5 MHz CMRR Common-mode Rejection Ratio VCM=0 ~ 1.5V 70 dB VOUT-HIGH Output High Voltage 3.2 V VOUT-LOW Output Low Voltage 0.2 V IMR1, IMR2 Reference Current Source RI=24kΩ (IMR=20+IRI•0.8) 50 70 µA IL Maximum Source Current 3 mA IH Maximum Sink Current 0.25 mA |
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Similar Description - SG6932SZ |
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