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FSEZ1317 Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FSEZ1317 Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 17 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FSEZ1317 • Rev. 1.0.4 5 Electrical Characteristics Unless otherwise specified, VDD=15V and TA=25 ℃. Symbol Parameter Conditions Min. Typ. Max. Units VDD Section VOP Continuously Operating Voltage 23 V VDD-ON Turn-On Threshold Voltage 15 16 17 V VDD-OFF Turn-Off Threshold Voltage 4.5 5.0 5.5 V IDD-OP Operating Current 2.5 5.0 mA IDD-GREEN Green-Mode Operating Supply Current 0.95 1.20 mA VDD-OVP VDD Over-Voltage-Protection Level (OVP) 24 V VDD-OVP-HYS Hysteresis Voltage for VDD OVP 1.5 2.0 2.5 V tD-VDDOVP VDD Over-Voltage-Protection Debounce Time 50 200 300 µs HV Startup Current Source Section VHV-MIN Minimum Startup Voltage on HV Pin 50 V IHV Supply Current Drawn from HV Pin VDC=100V 1.5 3.0 mA IHV-LC Leakage Current after Startup HV=500V, VDD= VDD- OFF+1V 0.96 3.00 µA Oscillator Section fOSC Frequency Center Frequency 47 50 53 kHz Frequency Hopping Range ±1.5 ±2.0 ±2.5 fOSC-N-MIN Minimum Frequency at No-Load 370 Hz fOSC-CM-MIN Minimum Frequency at CCM 13 kHz fDV Frequency Variation vs. VDD Deviation VDD=10~25V, 1 2 % fDT Frequency Variation vs. Temperature Deviation TA=-40°C to 105°C 15 % Voltage-Sense Section Itc IC Bias Current 10 µA VBIAS-COMV Adaptive Bias Voltage Dominated by VCOMV RVS=20kΩ 1.4 V Current-Sense Section tPD Propagation Delay to GATE Output 90 200 ns tMIN-N Minimum On Time at No-Load 700 850 1050 ns VTH Threshold Voltage for Current Limit 0.8 V Voltage-Error-Amplifier Section VVR Reference Voltage 2.475 2.500 2.525 V VN Green-Mode Starting Voltage on EA_V fOSC-2kHz 2.5 V VG Green-Mode Ending Voltage on EA_V fOSC=1kHz 0.4 V Current-Error-Amplifier Section VIR Reference Voltage 2.475 2.500 2.525 V Cable Compensation Section VCOMR COMR Pin for Cable Compensation 0.75 V Continued on the following page… |
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