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CM6802AGIP Datasheet(PDF) 8 Page - Champion Microelectronic Corp. |
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CM6802AGIP Datasheet(HTML) 8 Page - Champion Microelectronic Corp. |
8 / 25 page CM6802A/B/AH/BH (Dynamic Soft PFC/Green PWM) http://www.championmicro.com.tw EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER Design for High Efficient Power Supply at both Full Load and Light Load 2009/11/02 Rev. 1.4 Champion Microelectronic Corporation 8 ELECTRICAL CHARACTERISTICS (Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, RT = 7.75kΩ, CT = 1000pF, TA=Operating Temperature Range (Note 1) CM6802A/B/AH/BH Symbol Parameter Test Conditions Min. Typ. Max. Unit Reference Output Voltage TA = 25℃, I(VREF) = 0mA 7.3 7.5 7.7 V Line Regulation 11V < VCC < 16.5V@ T=25℃ 3 5 mV VCC=10.5V,0mA < I(VREF) < 2mA; @ T=25℃ 25 50 mV Load Regulation VCC=14V,0mA < I(VREF) < 3.5mA; TA = -40℃~85℃ 25 50 mV Temperature Stability 0.4 % Total Variation Line, Load, Temp 7.2 7.8 V Long Term Stability TJ = 125℃, 1000HRs 5 25 mV PFC Minimum Duty Cycle IEAO > 4.5V 0 % Maximum Duty Cycle VIEAO < 1.2V 95 97 % IOUT = -20mA @ T=25℃ 11.5 15 ohm IOUT = -100mA @ T=25℃ 18 ohm Output Low Rdson IOUT = 10mA, VCC = 9V @ T=25℃ 0.5 1 V IOUT = 20mA @ T=25℃ 24 30 ohm Output High Rdson IOUT = 100mA @ T=25℃ 40 ohm Rise/Fall Time (Note 4) CL = 100pF @ T=25℃ 50 ns PWM Duty Cycle Range 0-49.5 0-50 % IOUT = -20mA @ T=25℃ 11.5 15 ohm IOUT = -100mA @ T=25℃ 18 ohm Output Low Rdson IOUT = 10mA, VCC = 9V 0.5 1 V IOUT = 20mA @ T=25℃ 26.5 40 ohm Output High Rdson IOUT = 100mA @ T=25℃ 40 ohm Rise/Fall Time (Note 4) CL = 100pF 50 ns PWM Comparator Level Shift 1.6 1.8 2 V Soft Start Soft Start Current Room Temperature=25℃ 7 8.5 10.5 μ A Supply Start-Up Current VCC = 12V, CL = 0 @ T=25℃ 50 65 μ A Operating Current 14V, CL = 0 2.5 3.5 mA Undervoltage Lockout Threshold CM6802A/B/AH/BH 12.35 12.85 13.45 V Undervoltage Lockout Hysteresis CM6802A/B/AH/BH 2.8 2.95 3.1 V Shunt Regulator (VCC zener) Zener Threshold Voltage Apply VCC with Iop=20mA 16.2 16.8 17.4 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 = (ISENSE – IOFFSET) x [IAC (VEAO – 0.7)] -1; VEAOMAX = 6V Note 4: Guaranteed by design, not 100% production test. |
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