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CM6802SBHXIP Datasheet(PDF) 7 Page - Champion Microelectronic Corp. |
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CM6802SBHXIP Datasheet(HTML) 7 Page - Champion Microelectronic Corp. |
7 / 25 page CM6802SAH/SBH (Turbo-Speed PFC+Green PWM) http://www.championmicro.com.tw EPA/85+ ZVS-Like PFC+PWM COMBO CONTROLLER Design for High Efficient Power Supply at both Full Load and Light Load 2009/11/02 Rev. 1.5 Champion Microelectronic Corporation 7 ELECTRICAL CHARACTERISTICS: (Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, RT = 5.88 kΩ, CT = 1000pF, TA=OperatingTemperature Range (Note 1) CM6802SAH/SBH Symbol Parameter Test Conditions Min. Typ. Max. Unit DC ILIMIT Comparator Threshold Voltage 0.92 1.0 1.08 V Delay to Output (Note 4) Overdrive Voltage = 100mV 700 ns DC to DC PWM Brown Out Comparator OK Threshold Voltage 2.1 2.3 2.5 V Hysteresis 900 950 1000 mV GAIN Modulator Gain1 (Note 3) IAC = 20 μ A, V RMS =1.125, VFB = 2.375V @ T=25℃ SS<VREF 5.05 5.7 6.35 Gain2 (Note )3 IAC = 20 μ A, V RMS = 1.45588V, VFB = 2.375V @ T=25℃ SS<VREF 4.54 5.1 5.66 Gain3 (Note 3) IAC = 20 μ A, V RMS =2.91V, VFB = 2.375V @ T=25℃ SS<VREF 1.27 1.5 1.72 Gain4 (Note 3) IAC = 20 μ A, V RMS = 3.44V, VFB = 2.375V @ T=25℃ SS<VREF 0.93 1.1 1.26 Bandwidth (Note 4) IAC = 40 μ A 1 MHz Output Voltage = Rmul * (ISENSE-IOFFSET) IAC = 50 μ A, V RMS = 1.125V, VFB = 2V SS<VREF 0.74 0.8 0.86 V Oscillator (Measuring fpfc) Initial fpfc Accuracy 1 RT = 5.88 kΩ, CT = 1000pF, TA = 25℃ IAC=0uA 64 68 72 kHz Voltage Stability 11V < VCC < 16.5V 2 % Temperature Stability 2 % Total Variation Line, Temp 60 75 kHz Ramp Valley to Peak Voltage VEAO=6V and IAC=20uA 2.5 V PFC Dead Time (Note 4) 550 950 ns CT Discharge Current VRAMP2 = 0V, VRAMP1 = 2.5V 10 11 12 mA |
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