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SG6741SY Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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SG6741SY Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 12 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com SG6741 • Rev. 1.3.3 5 Electrical Characteristics VDD=15V, TA=25°C, unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units VDD Section VOP Continuously Operating Voltage 22 V VDD-ON Start Threshold Voltage 15.5 16.5 17.5 V VDD-OFF Minimum Operating Voltage 9.5 10.5 11.5 V IDD-ST Startup Current VDD-ON – 0.16V 30 µA IDD-OP Operating Supply Current VDD=15V, GATE Open 4 5 mA IDD-OLP Internal Sink Current VDD-OLP +0.1V 50 70 90 µA VTH-OLP IDD-OLP off Voltage 6.5 7.5 8.0 V VDD-OVP VDD Over-Voltage Protection 25 26 27 V tD-VDDOVP VDD Over-Voltage Protection Debounce Time 100 180 260 µs HV Section IHV Supply Current from HV Pin VAC=90V (VDC=120V), VDD=10µF 2.0 mA IHV-LC Leakage Current After Startup HV=500V, VDD=VDD- OFF+1V 1 20 µ A Oscillator Section Center Frequency 62 65 68 fOSC Frequency in Nominal Mode Hopping Range ±3.7 ±4.2 ±4.7 KHz tHOP Hopping Period 4.4 ms fOSC-G Green-Mode Frequency 16 18 21 KHz fDV Frequency Variation vs. VDD Deviation VDD=11V to 22V 5 % fDT Frequency Variation vs. Temperature Deviation TA=-40 to 105°C 5 % Continued on the following page… Figure 5. VFB vs. PWM Frequency PWM Frequency fOSC fOSC-G VFB-N VFB-G VFB-ZDC VFB |
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