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FAN7621N Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FAN7621N Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 17 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7621 • Rev. 1.0.1 5 Electrical Characteristics TA=25°C and LVCC=17V unless otherwise specified. Symbol Parameter Test Conditions Min. Typ. Max. Unit Supply Section ILK Offset Supply Leakage Current HVCC=VCTR 50 μA IQHVCC Quiescent HVCC Supply Current (HVCCUV+) - 0.1V 50 120 μA IQLVCC Quiescent LVCC Supply Current (LVCCUV+) - 0.1V 100 200 μA fOSC=100kHz, VCON > 0.6V, CLoad=1nF 5 8 mA IOHVCC Operating HVCC Supply Current (RMS Value) No Switching, VCON < 0.4V 100 200 μA fOSC=100kHz, VCON > 0.6V, CLoad=1nF 6 9 mA IOLVCC Operating LVCC Supply Current (RMS Value) No Switching, VCON < 0.4V 2 4 mA UVLO Section LVCCUV+ LVCC Supply Under-Voltage Positive Going Threshold (LVCC Start) 13.0 14.5 16.0 V LVCCUV- LVCC Supply Under-Voltage Negative Going Threshold (LVCC Stop) 10.2 11.3 12.4 V LVCCUVH LVCC Supply Under-Voltage Hysteresis 3.2 V HVCCUV+ HVCC Supply Under-Voltage Positive Going Threshold (HVCC Start) 8.2 9.2 10.2 V HVCCUV- HVCC Supply Under-Voltage Negative Going Threshold (HVCC Stop) 7.8 8.7 9.6 V HVCCUVH HVCC Supply Under-Voltage Hysteresis 0.5 V Oscillator & Feedback Section VCONDIS Control Pin Disable Threshold Voltage 0.36 0.40 0.44 V VCONEN Control Pin Enable Threshold Voltage 0.54 0.60 0.66 V VRT V-I Converter Threshold Voltage 1.5 2.0 2.5 V fOSC Output Oscillation Frequency 94 100 106 kHz DC Output Duty Cycle RT=5.2kΩ 48 50 52 % fSS Internal Soft-Start Initial Frequency fSS=fOSC+40kHz, RT=5.2kΩ 140 kHz tSS Internal Soft-Start Time 2 3 4 ms Output Section Isource Peak Sourcing Current HVCC=17V 250 360 mA Isink Peak Sinking Current HVCC=17V 460 600 mA tr Rising Time 65 ns tf Falling Time CLoad=1nF, HVCC=17V 35 ns VHOH High Level of High-Side Gate Driving Signal (VHVCC-VHO) 1.0 V VHOL Low Level of High-Side Gate Driving Signal 0.6 V VLOH High Level of High-Side Gate Driving Signal (VLVCC-VLO) 1.0 V VLOL Low Level of High-Side Gate Driving Signal IO=20mA 0.6 V |
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Similar Description - FAN7621N |
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