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CM6805A Datasheet(PDF) 2 Page - Champion Microelectronic Corp. |
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CM6805A Datasheet(HTML) 2 Page - Champion Microelectronic Corp. |
2 / 15 page CM6805A 10-PIN Green-Mode PFC/PWM Combo CONTROLLER 2007/11/28 Rev 1.3 Champion Microelectronic Corporation Page 2 APPLICATIONS PIN CONFIGURATION Desktop PC AC Adaptor Open Frame 10 Pin SSOP (R10) Top View PIN DESCRIPTION Operating Voltage Pin No. Symbol Description Min. Typ. Max. Unit 1 GND Ground 2 IAC Feedforward input to do slope compensation and to start up the system. During the start up, IAC is connected to VCC until VCC is greater than 13V. 0 1 mA 3 ISENSE Current sense input to the PFC current limit comparator -5 0.7 V 4 VEAO PFC transconductance voltage error amplifier output 0 6 V 5 VFB PFC transconductance voltage error amplifier input 0 2.5 3 V 6 V + I PWM feed back and current limit comparator input 0 1.5 V 7 PFCOFFB PFCOFFB; it can turn off PFC stage when it is below 5V. 0 VCC V 8 VCC Positive supply 10 15 18 V 9 PFC OUT PFC driver output 0 VCC V 10 PWM OUT PWM driver output 0 VCC V ORDERING INFORMATION Initial Accuracy (KHz) Part Number Operation Frequency Min Typ Max Temperature Range Package CM6805AGIR Fpwm = Fpfc = 67.5Khz 60 67.5 74 -40℃ to 125℃ 10 Pin SSOP(R10) Note: 1.G : Suffix for Pb Free Product 2.Initial Accuracy : TA=25℃ |
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