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FAN7930B Datasheet(PDF) 5 Page - ON Semiconductor |
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FAN7930B Datasheet(HTML) 5 Page - ON Semiconductor |
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5 / 22 page  www.onsemi.com 5 Electrical Characteristics VCC = 14 V and TA = -40°C~+125°C, unless otherw ise specified. Symbol Parameter Conditions Min. Typ. Max. Unit VCC Section VSTART Start Threshold Voltage VCC Increasing 11 12 13 V VSTOP Stop Threshold Voltage VCC Decreasing 7.5 8.5 9.5 V HYUVLO UVLO Hysteresis 3.0 3.5 4.0 V VZ Zener Voltage ICC=20 mA 20 22 24 V VOP Recommended Operating Range 13 20 V Supply Current Section ISTART Startup Supply Current VCC=VSTART-0.2 V 120 190 µA IOP Operating Supply Current Output Not Sw itching 1.5 3.0 mA IDOP Dynamic Operating Supply Current 50 kHz, CI=1 nF 2.5 4.0 mA IOPDIS Operating Current at Disable VINV=0 V 90 160 230 µA Error Am plifier Section VREF1 Voltage Feedback Input Threshold1 TA=25°C 2.465 2.500 2.535 V VREF1 Line Regulation VCC=14 V~20 V 0.1 10.0 mV VREF2 Temperature Stability of VREF1 (4) 20 mV IEA,BS Input Bias Current VINV=1 V~4 V -0.5 0.5 µA IEAS,SR Output Source Current VINV=VREF -0.1 V -12 µA IEAS,SK Output Sink Current VINV=VREF +0.1 V 12 µA VEAH Output Upper Clamp Voltage VINV=1 V, VCS=0 V 6.0 6.5 7.0 V VEAZ Zero Duty Cycle Output Voltage 0.9 1.0 1.1 V gm Transconductance (4) 90 115 140 µmho Maxim um On-Tim e Section tON,MAX1 Maximum On-Time Programming 1 TA=25°C, VZCD=1 V 35.5 41.5 47.5 µs tON,MAX2 Maximum On-Time Programming 2 TA=25°C, IZCD=0.469 mA 11.2 13.0 14.8 µs Current-Sense Section VCS Current Sense Input Threshold Voltage Limit 0.7 0.8 0.9 V ICS,BS Input Bias Current VCS=0~1 V -1.0 -0.1 1.0 µA tCS,D Current Sense Delay to Output (4) dV/dt=1 V/100 ns, from 0 V to 5 V 350 500 ns Continued on the following page… |
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