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FAN6961 Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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FAN6961 Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 13 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6961 • Rev. 1.0.2 6 Electrical Characteristics VCC=15V and TA=25°C unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units Zero Current Detection Section VZCD Input Threshold Voltage Rising Edge VZCD Increasing 1.9 2.1 2.3 V HYS of VZCD Threshold Voltage Hysteresis VZCD Decreasing 0.35 V VZCD-HIGH Upper Clamp Voltage IZCD=3mA 12 V VZCD-LOW Lower Clamp Voltage IZCD=-1.5mA 0.3 V tDEAD Maximum Delay, ZCD to Output Turn-On VCOMP=5V, fSW=60KHz 100 400 ns tRESTART Restart Time Output Turned Off by ZCD 300 500 700 μs tINHIB Inhibit Time (Maximum Switching Frequency Limit) RMOT=24kΩ 2.8 μs VDIS Disable Threshold Voltage 150 200 250 mV tZCD-DIS Disable Function Debounce Time RMOT=24kΩ, VZCD=100mV 800 μs Maximum On Time Section VMOT Maximum On Time Voltage 1.25 1.30 1.35 V tON-MAX Maximum On Time Programming (Resistor Based) RMOT=24kΩ, VCS=0V, VCOMP=5V 25 μs |
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