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FAN4801SMY Folha de dados(PDF) 11 Page - Fairchild Semiconductor |
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FAN4801SMY Folha de dados(HTML) 11 Page - Fairchild Semiconductor |
11 / 24 page © 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.2 11 Electrical Characteristics (Continued) VDD=15V, TA=25°C, RT=6.8kΩ, CT=1000pF unless noted operating specifications. Symbol Parameter Conditions Min. Typ. Max. Units PFC ILIMIT Comparator VPFC-ILIMIT Peak Current Limit Threshold Voltage, Cycle-by-Cycle Limit -1.25 -1.15 -1.05 V ΔVpk PFC ILIMIT-Gain Modulator Output IAC=17.67µA, VRMS=1.08V VFBPFC=2.25V, at T=25°C 200 mV PFC Output Driver VGATE-CLAMP Gate Output Clamping Voltage VDD=22V 13 15 17 V VGATE-L Gate Low Voltage VDD=15V; IO=100mA 1.5 V VGATE-H Gate High Voltage VDD=13V; IO=100mA 8 V tr Gate Rising Time VDD=15V; CL=4.7nF; O/P=2V to 9V 40 70 120 ns tf Gate Falling Time VDD=15V; CL=4.7nF; O/P=9V to 2V 40 60 110 ns DPFC-MAX Maximum Duty Cycle VIEA<1.2V 94 97 % DPFC-MIN Minimum Duty Cycle VIEA>4.5V 0 % Brown Out FAN4800A/C, FAN4801/1S/2 1.00 1.05 1.10 V VRMS-UVP VRMS Threshold Low FAN4802L 0.85 0.90 0.95 V FAN4800A/C, FAN4801/1S/2 1.85 1.90 1.95 V VRMS-UVP VRMS Threshold High FAN4802L 1.60 1.65 1.70 V FAN4800A/C, FAN4801/1S/2 750 850 950 mV ΔVRMS-UVP Hysteresis FAN4802L 650 750 850 mV tUVP Under-Voltage Protection Delay Time 340 410 480 ms Soft-Start VSS-MAX Maximum Voltage VDD=15V 9.5 10.0 10.5 V ISS Soft-Start Current 10 µA PWM ILIMIT Comparator VPWM-ILIMIT Threshold Voltage 0.95 1.00 1.05 V tPD Delay to Output 250 ns tPWM-Bnk Leading-Edge Blanking Time 170 250 350 ns Range (FAN4801/1S/2/2L) VRMS-L RMS AC Voltage LOW When VRMS=1.95V at 132VRMS 1.90 1.95 2.00 V VRMS-H RMS AC Voltage HIGH When VRMS=2.45V at 150VRMS 2.40 2.45 2.50 V VEA LOW 1.90 1.95 2.00 VEA-L VEA LOW (FAN4801S) When VVEA=1.95V at 30% Loading, When VVEA=2.80V at 60% Loading 2.75 2.80 2.85 V VEA HIGH 2.40 2.45 2.50 VEA-H VEA HIGH (FAN4801S) When VVEA=2.45V at 40% Loading, When VVEA=3.35V at 70% Loading 3.30 3.35 3.40 V Itc Two-Level Current FBPFC Two-Level Current 18 20 22 µA |
Nº de peça semelhante - FAN4801SMY |
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Descrição semelhante - FAN4801SMY |
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