FAN6982MY Fairchild Semiconductor, FAN6982MY Datasheet
FAN6982MY
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FAN6982MY Summary of contents
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... Internet Server Power Supply LCD TV/Monitor Power Supply DC Motor Power Supply Ordering Information Part Number Operating Temperature Range FAN6982MY -40°C to +105°C © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 Description The FAN6982 is a 14-pin, Continuous Conduction Mode (CCM) PFC controller IC intended for Power Factor Correction (PFC) pre-regulators ...
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... Application Diagram © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 Figure 1. Typical Application 2 www.fairchildsemi.com ...
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... VEA Low-Power Detect Comparator FBPFC 2.5V 0. Range 6 VRMS IAC Gain Modulator 3 ISENSE 7 RT/CT Marking Information © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 1 IEA 0.5V PFC UVP 2.75V/2.5V PFC OVP V DD 28V/27V V OVP -1.15V I PFC ILIMIT SENSE 1.05V/1. UVP RMS ...
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... This pin is connected to the PFC output through a divider network. Output of Voltage Amplifier. The error-amplifier output for PFC voltage feedback loop. 14 VEA A compensation network is connected between this pin and ground. © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 Figure 4. Pin Configuration is 100µA. AC comparator ...
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... The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol T Operating Ambient Temperature A © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 Parameter < 50°C A Human Body Model, JESD22-A114 ...
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... FBPFC Voltage Level to Pull V FBPFC-RD Low Impedance with RDY Pin Hysteresis △V FBPFC-RD Leakage Current of RDY I RDY-LEK High Impedance V RDY Low Voltage RDY-L © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 = 25° =27kΩ, and Conditions V =V -0.1V; OPFC Open ...
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... V Low Voltage Level of V EN-L Range V RMS AC Voltage Low VRMS-L V RMS AC Voltage High VRMS-H V VEA Low VEA-L V VEA High VEA-H I Source Current from FBPFC TC © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 (Continued) = 25° =27kΩ, and Conditions ( =25° =3.75V at T ...
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... Time to FBPFC Open FBPFC_OPEN PFC Feedback Under- V PFC-UVP Voltage Protection Notes: 3. This parameter, although guaranteed by design, is not 100% production tested. 4. This gain is the maximum gain of modulation with a given V © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 (Continued) = 25° =27kΩ, and C =1000pF ...
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... Figure 5. I vs. Temperature DD- Figure 7. f vs. Temperature OSC Figure 9. V vs. Temperature RMS-UVL Figure 11. V FBPFC-RD © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 29.0 28.8 28.6 28.4 28.2 28.0 27.8 27.6 27.4 27.2 27.0 - 110 ...
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... Typical Performance Characteristics Figure 13. V vs. Temperature REF - Figure 15. V vs. Temperature OFFSET Figure 17. V FBPFC-OVP Figure 19. V vs. Temperature O(GM) © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 (Continued vs. Temperature - . Figure 14. Gm vs. Temperature Figure 16. Gm vs. Temperature Figure 18. I vs. Temperature Figure 20. V vs. Temperature ...
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... Typical Performance Characteristics Figure 21. V GATE-CLAMP © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 (Continued vs. Temperature Figure 22. V vs. Temperature PFC-UVP www.fairchildsemi.com ...
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... PFC converter is not changed with line voltage, as shown in, Figure 25. Figure 23. Gain Modulator Block © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 (1) (2) Figure 24. Modulation Gain Characteristics ...
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... Figure 28. Inductor Current Shaping © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 The current-control feedback loop also has a pulse-by- should be pulse current limit comparator that forces the PFC IAC switch to turn off if the ISENSE pin voltage drops below -1.15V until the next switching cycle. ...
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... Figure 30. PFC Soft-Start © 2009 Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 RDY Function The FAN6982 RDY function, is shown in Figure 31, is controlled by voltage of FBPFC. If the voltage of FBPFC is over than 96 ...
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... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...
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... Fairchild Semiconductor Corporation FAN6982 • Rev. 1.0.3 16 www.fairchildsemi.com ...