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CM6805AGIR Datasheet(PDF) 4 Page - Champion Microelectronic Corp. |
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CM6805AGIR Datasheet(HTML) 4 Page - Champion Microelectronic Corp. |
4 / 15 page CM6805A 10-PIN Green-Mode PFC/PWM Combo CONTROLLER 2007/11/28 Rev 1.3 Champion Microelectronic Corporation Page 4 ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply Vcc=+14V, TA=Operating Temperature Range (Note 1) CM6805A Symbol Parameter Test Conditions Min. Typ. Max. Unit Voltage Error Amplifier (GMv) Input Voltage Range 0 5 V Transconductance VNONINV = VINV, VEAO = 3.75V 30 65 90 μmho Feedback Reference Voltage 2.44 2.5 2.55 V Input Bias Current Note 2 -0.5 -1.0 μA Output High Voltage 5.8 6.0 V Output Low Voltage 0.1 0.4 V Sink Current VFB = 3V, VEAO = 6V -35 -20 μA Source Current VFB = 1.5V, VEAO = 1.5V 30 40 μA Open Loop Gain 50 60 dB Power Supply Rejection Ratio 11V < VCC < 16.5V 50 60 dB IAC Input Impedance (CM6805A) ISENSE = 0V, TA=25℃ 35K 40K 50K Ohm PFC OVP Comparator Threshold Voltage 2.64 2.77 2.85 V Hysteresis 65 150 mV PFC ILIMIT Comparator Threshold Voltage -1.05 -1 -0.95 V Delay to Output 150 300 ns VIN OK Comparator Threshold Voltage (CM6805A) 2.16 2.26 2.36 V Hysteresis 1.13 1.17 1.21 V PWM Digital Soft Start Digital Soft Start Timer (Note 2) Right After Start Up 10 ms V + I Comparator Threshold Voltage Normal operation without soft start 1.38 1.5 1.62 V Delay to Output (Note 2) 150 300 ns Threshold Voltage During soft start condition 100 150 200 mV PFC Tri-fault Fault Detect HIGH 2.70 2.77 2.85 V Time to Fault Detect HIGH VFB=VFAULT DETECT LOW to VFB = OPEN, 470pF from VFB to GND 2 4 ms Fault Detect LOW 0.4 0.5 0.6 V |
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