CM6805BOGIR Champion Microelectronic Corp., CM6805BOGIR Datasheet
CM6805BOGIR
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CM6805BOGIR Summary of contents
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GENERAL DESCRIPTION The CM6805BO is the Green-Mode PFC/PWM Combo controller for Desktop PC and High Density AC Adapter. For the power supply, it’s input current shaping PFC performance could be very close to the performance of the CM6800 or ML4800 ...
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... PFC OUT PFC driver output 10 PWM OUT PWM driver output ORDERING INFORMATION Part Number Operation Frequency Fpwm = Fpfc = 100Khz CM6805BOGIR Note Suffix for Pb Free Product 2. Initial Accuracy : T =25℃ A 2007/11/28 Rev 1.2 10-PIN Green-Mode PFC/PWM Combo CONTROLLER PIN CONFIGURATION Description Initial Accuracy (KHz) ...
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BLOCK DIAGRAM 2 IAC 40K IAC 400K ISENSE 100K SUM VFB GMV 2.5V BROKENWIRE - . + 0.5V PFC OVP + . 2.75V - - 2.5V PFC ILIMIT - . + -1V PFCOFFB ...
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ELECTRICAL CHARACTERISTICS T =Operating Temperature Range (Note 1) A Symbol Parameter Input Voltage Range Transconductance Feedback Reference Voltage Input Bias Current Output High Voltage Output Low Voltage Sink Current Source Current Open Loop Gain Power Supply Rejection Ratio Input Impedance ...
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ELECTRICAL CHARACTERISTICS T =Operating Temperature Range (Note 1) A Symbol Parameter PFCOFFB Threshold Low PFCOFFB Hysteresis Voltage Stability Temperature Stability Total Variation PFC Dead Time (Note 2) Minimum Duty Cycle Maximum Duty Cycle Output Low Rdson Output Low Voltage Output ...
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TYPICAL PERFORMANCE CHARACTERISTIC 127 120 113 106 Voltage Error Amplifier (GMv) Transconductance 2007/11/28 Rev 1.2 10-PIN Green-Mode PFC/PWM Combo CONTROLLER 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 VFB (V) Champion ...
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Functional Description The CM6805BO consists of an ICST (Input Current Shaping Technique), CCM (Continuous Conduction Mode) or DCM (Discontinuous Conduction Mode) boost PFC (Power Factor Correction) front end and a synchronized PWM (Pulse Width Modulator) back end. The CM6805BO is ...
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PFCOFFB (Pin 7) When this pin is below 5V, PFC gate drive, PFCOUT will be turned off until PFCOFFB pin is greater than 5.5V. When PFCOFFB is below 5V, Veao also been pulled low as well. PFCOFFB usually is used ...
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PFC Control: Leading Edge Modulation with Input Current Shaping Technique (I.C.S.T.) The only differences between the conventional PFC control topology and I.C.S.T. is: the current loop of the conventional control method is a close loop method and it requires a ...
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One of the advantages of this control technique is that it required only one system clock. Switch 1(SW1) turns OFF and switch 2 (SW2) turns ON at the same instant to minimize the momentary “no-load” period, thus lowering ripple voltage ...
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The I Filter filter. The resistor value of the SENSE I Filter is between 100 ohm and 50 ohm. By selecting SENSE R equal to 50 ohm will keep the offset of the IEAO less FILTER than ...
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UVLO The UVLO threshold is 13V providing 3V hysteresis. PFCOUT and PWMOUT Both PFCOUT and PWMOUT are CMOS drivers. They both have adaptive anti-shoot through to reduce the switching loss. Its pull- 30ohm PMOS driver and its pull-down ...
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Application Circuit (PC Power) - IN5406 0.08 2W (s) IN5406 0.47uF/400V GND 1M 380VDC VCC + 4.7uF B+ 380VDC 09N90 VCC PWM OUT PWM IS 0.2 2W CM6805BO Marking Rule Note : “△＂ represent “BO＂ 2007/11/28 Rev 1.2 10-PIN Green-Mode ...
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PACKAGE DIMENSION PIN NUMBERING SCHEME Ordering Number: CM6805BOGXY (note1) note1 Suffix for Temperature Range (note Suffix for Package Type (note 4) note2 Suffix for Pb Free Product note 3: ...
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Champion Microelectronic Corporation (CMC) reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing ...