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FAN6747 Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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FAN6747 Datasheet(HTML) 6 Page - Fairchild Semiconductor |
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6 / 15 page  © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6747 • Rev. 1.0.1 6 Electrical Characteristics VDD=15V and TA=25°C, unless otherwise specified. Symbol Parameter Conditions Min. Typ. Max. Units Figure 6. Normal UVLO and Two-Step UVLO Behavior HV Section IHV Supply Current Drawn from HV Pin VHV=120V, VDD=0V 1.50 2.75 4.00 mA VIN-OFF PWM Turn-Off Threshold DC Source Series R=200k to HV Pin 92 102 112 V VIN-ON PWM Turn-On Threshold DC Source Series R=200k to HV Pin 104 114 124 V ∆VIN Change in VIN, VIN-ON - VIN-OFF DC Source Series R=200k to HV Pin 6 12 18 V tS-CYCLE Line Voltage Sample cycle VFB > VFB-N 170 205 240 μs VFB < VFB-G 450 615 780 tS-TIME Line Voltage Sample Period 20 μs tD_VIN-OFF PWM Turn-Off Debounce Time VFB > VFB-N 65 75 85 ms VFB < VFB-G 180 235 290 ms Figure 7. Brownout Circuit |
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Similar Description - FAN6747 |
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