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ML4804CS 데이터시트(PDF) 5 Page - Fairchild Semiconductor |
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ML4804CS 데이터시트(HTML) 5 Page - Fairchild Semiconductor |
5 / 14 page ML4804 REV. 1.0.2 3/9/2001 5 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS REFERENCE Output Voltage TA = 25°C, I(VREF) = 1mA 7.4 7.5 7.6 V Line Regulation 11V < VCC < 16.5V 10 25 mV Load Regulation 0mA < I(VREF) < 10mA; 10 20 mV TA = 0ºC to 70ºC 0mA <I(VREF) <5mA: 10 20 mV TA = –40ºC to 85ºC Temperature Stability 0.4 % Total Variation Line, Load, Temp 7.35 7.65 V Long Term Stability TJ = 125°C, 1000 Hours 5 25 mV PFC Minimum Duty Cycle VIEAO > 4.0V 0 % Maximum Duty Cycle VIEAO < 1.2V 90 95 % Output Low Voltage IOUT = -20mA 0.4 0.8 V IOUT = -100mA 0.7 2.0 V IOUT = 10mA, VCC = 9V 0.4 0.8 V Output High Voltage IOUT = 20mA VCC – 0.8V V IOUT = 100mA VCC - 2V V Rise/Fall Time CL = 1000pF 50 ns PWM Duty Cycle Range 0-44 0-47 0-49 % Output Low Voltage IOUT = -20mA 0.4 0.8 V IOUT = -100mA 0.7 2.0 V IOUT = 10mA, VCC = 9V 0.4 0.8 V Output High Voltage IOUT = 20mA VCC – 0.8V V IOUT = 100mA VCC - 2V V Rise/Fall Time CL = 1000pF 50 ns SUPPLY Start-up Current VCC = 12V, CL = 0 200 350 µA Operating Current 14V, CL = 0 5.5 7 mA Undervoltage Lockout Threshold 12.4 13 13.6 V Undervoltage Lockout Hysteresis (Note 4) 2.5 2.8 3.1 V Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions. Note 2: Includes all bias currents to other circuits connected to the VFB pin. Note 3: Gain = K x 5.3V; K = (IGAINMOD - IOFFSET) x [IAC (VEAO - 0.625)]-1; VEAOMAX=5V. Note 4: UVLO Hysteresis |
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