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FAN4801MY Arkusz danych(PDF) 9 Page - Fairchild Semiconductor |
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FAN4801MY Arkusz danych(HTML) 9 Page - Fairchild Semiconductor |
9 / 24 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.2 9 Electrical Characteristics VDD=15V, TA=25°C, RT=6.8kΩ, CT=1000pF unless noted operating specifications. Symbol Parameter Conditions Min. Typ. Max. Units VDD Section IDD ST Startup Current VDD=VTH-ON-0.1V; OPFC OPWM Open 30 80 µA IDD-OP Operating Current VDD=13V; OPFC OPWM Open 2.0 2.6 5.0 mA VTH-ON Turn-On Threshold Voltage 10 11 12 V ΔVTH Hysteresis 1.5 1.9 V VDD-OVP VDD OVP 27 28 29 V ΔVDD-OVP VDD OVP Hysteresis 1 V Oscillator fOSC-RT/CT RT/CT Frequency RT=6.8kΩ, CT=1000pF 240 256 268 kHz PFC & PWM Frequency 60 64 67 fOSC FAN4800C,FAN4802/02L PWM Frequency RT=6.8kΩ, CT=1000pF 120 128 134 kHz fDV Voltage Stability 11V ≦ VDD ≦ 22V 2 % fDT Temperature Stability -40°C ~ +105°C 2 % fTV Total Variation (PFC & PWM) (3) Line, Temperature 58 70 kHz fRV Ramp Voltage (3) Valley to Peak 2.8 V IDischarge Discharge Current VRAMP=0V, VRT/CT=2.5V 6.5 15 mA fRANGE Frequency Range (3) 50 75 kHz tPFCD PFC Dead Time RT=6.8kΩ, CT=1000pF 400 600 800 ns VREF VVREF Reference Voltage IREF=0mA, CREF=0.1µF 7.4 7.5 7.6 V ΔVVREF1 Load Regulation of Reference Voltage CREF=0.1µF, IREF=0mA to 3.5mA VVDD=14V, Rise/Fall Time > 20µs 30 50 mV ΔVVREF2 Line Regulation of Reference Voltage CREF=0.1µF, VVDD=11V to 22V 25 mV ΔVVREF-DT(3) Temperature Stability -40°C ~ +105°C 0.4 0.5 % ΔVVREF-TV(3) Total Variation Line, Load, Temp 7.35 7.65 V ΔVVREF-LS(3) Long-Term Stability TJ=125°C, 0 ~ 1000HRs 5 25 mV IREF-MAX. Maximum Current VVREF > 7.35V 5 mA IOS (3) Output Short Circuit 25 mA PFC OVP Comparator VPFC-OVP Over-Voltage Protection 2.70 2.75 2.80 V ΔVPFC-OVP PFC OVP Hysteresis 200 250 300 mV Low-Power Detect Comparator VEAOFF VEA Voltage OFF OPFC 0.2 0.3 0.4 V VIN OK Comparator VRD-FBPFC Voltage Level on FBPFC to Enable OPWM During Startup 2.3 2.4 2.5 V ΔVRD-FBPFC Hysteresis 1.15 1.25 1.35 V |
Podobny numer części - FAN4801MY |
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Podobny opis - FAN4801MY |
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