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CM6800XIP Datasheet(PDF) 6 Page - Champion Microelectronic Corp. |
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CM6800XIP Datasheet(HTML) 6 Page - Champion Microelectronic Corp. |
6 / 18 page CM6800 LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO 2008/10/23 Rev. 2.1 Champion Microelectronic Corporation Page 6 ELECTRICAL CHARACTERISTICS (Conti.) Unless otherwise stated, these specifications apply Vcc=+15V, RT = 30.16kΩ, CT =1000pF, TA=Operating Temperature Range (Note 1) CM6800 Symbol Parameter Test Conditions Min. Typ. Max. Unit Oscillator Initial Accuracy TA = 25℃ 60 70 kHz Voltage Stability 11V < VCC < 16.5V 1 % Temperature Stability 2 % Total Variation Line, Temp 52 74 kHz Ramp Valley to Peak Voltage 2.5 V PFC Dead Time (Note 4) 360 640 ns CT Discharge Current VRAMP2 = 0V, VRAMP1 = 2.5V 6.5 15 mA Reference Output Voltage TA = 25℃, I(VREF) = 1mA 7.4 7.5 7.6 V Line Regulation 11V < VCC < 16.5V 10 25 mV 0mA < I(VREF) < 7mA; TA = 0℃~70℃ 10 20 mV Load Regulation 0mA < I(VREF) < 5mA; TA = -40℃~85℃ 10 20 mV Temperature Stability 0.4 % Total Variation Line, Load, Temp 7.35 7.65 V Long Term Stability TJ = 125℃, 1000HRs 5 25 mV PFC Minimum Duty Cycle VIEAO > 4.0V 0 % Maximum Duty Cycle VIEAO < 1.2V 92 95 % IOUT = -20mA at room temp 15 ohm IOUT = -100mA at room temp 15 ohm Output Low Rdson IOUT = 10mA, VCC = 9V at room temp 0.4 0.8 V IOUT = 20mA at room temp 15 20 ohm Output High Rdson IOUT = 100mA at room temp 15 20 ohm Rise/Fall Time (Note 4) CL = 1000pF 50 ns PWM Duty Cycle Range 0-43 0-47 0-49 % IOUT = -20mA at room temp 15 ohm IOUT = -100mA at room temp 15 ohm Output Low Rdson IOUT = 10mA, VCC = 9V 0.4 0.8 V IOUT = 20mA at room temp 15 20 ohm Output High Rdson IOUT = 100mA at room temp 15 20 ohm Rise/Fall Time (Note 4) CL = 1000pF 50 ns PWM Comparator Level Shift 1.4 1.55 1.7 V Supply Start-Up Current VCC = 12V, CL = 0 at room temp 100 150 μ A Operating Current 14V, CL = 0 3.0 7.0 mA Undervoltage Lockout Threshold CM6800 12.74 13 13.26 V Undervoltage Lockout Hysteresis CM6800 2.85 3.0 3.15 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 5.375V; K = (ISENSE – IOFFSET) x [IAC (VEAO – 0.625)] -1; VEAOMAX = 6V Note 4: Guaranteed by design, not 100% production test. |
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