FAN7930CMX Fairchild Semiconductor, FAN7930CMX Datasheet
FAN7930CMX
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FAN7930CMX Summary of contents
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... Ordering Information Operating Part Number Temperature Range FAN7930CM -40 to +125°C FAN7930CMX © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Description The FAN7930C is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM). It uses a voltage- ...
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... Application Diagram Internal Block Diagram © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Figure 1. Typical Boost PFC Application Figure 2. Functional Block Diagram 2 www.fairchildsemi.com ...
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... For proper operation, the stray inductance in the gate driving path must be minimized This is the IC supply pin. IC current and MOSFET drive current are supplied using this pin. CC © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Figure 3. Pin Configuration (Top View) 3 www.fairchildsemi.com ...
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... In case of DC input, acceptable input range is -0.3V~6V: within 100ns -10V~6V is acceptable, but electrical specifications are not guaranteed during such a short time. Thermal Impedance Symbol Θ Thermal Resistance, Junction-to-Ambient JA Note: 3. Regarding the test environment and PCB type, please refer to JESD51-2 and JESD51-10. © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Parameter > <-0. (1) ...
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... Maximum On-Time Programming 1 T ON,MAX1 t Maximum On-Time Programming 2 ON,MAX2 Current-Sense Section Current-Sense Input Threshold V CS Voltage Limit I Input Bias Current CS,BS t Current-Sense Delay to Output CS,D © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Conditions V Increasing CC V Decreasing CC I =20mA -0.2V CC ...
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... Enable Threshold Voltage EN HY Enable Hysteresis EN T Thermal Shutdown Temperature SD T Hysteresis Temperature of TSD HYS Note: 4. These parameters, although guaranteed by design, are not production tested. © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Conditions (4) I =3mA DET I = -3mA DET V =1V~5V ZCD (4) T =25° ...
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... FAN7930 RDY Threshold 2.240V RDY Hysteresis 0.600V Control Range None Compensation © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 FAN7930C FAN7930C Advantages No External Circuit for PFC Output UVLO Reduce Power Loss and BOM Cost Caused by Integrated PFC Out UVLO Circuit ...
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... Typical Performance Characteristics Figure 4. Voltage Feedback Input Threshold 1 (V vs. T Figure 6. Stop Threshold Voltage (V Figure 8. Operating Supply Current (I © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 ) Figure 5. Start Threshold Voltage (V REF1 A ) vs. T Figure 7. Startup Supply Current (I STOP A ) vs. T Figure 9. Output Upper Clamp Voltage (V ...
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... Typical Performance Characteristics Figure 10. Zero Duty Cycle Output Voltage (V vs. T Figure 12. Maximum On-Time Program 2 (t vs. T Figure 14. Input High Clamp Voltage (V © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 ) Figure 11. Maximum On-Time Program 1 (t EAZ A ) Figure 13. Current-Sense Input Threshold Voltage ...
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... Typical Performance Characteristics Figure 16. Output Voltage High (V Figure 18. Restart Timer Delay (t Figure 20. Output Saturation Voltage (V vs. T © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 ) vs. T Figure 17. Output Voltage Low ( vs. T Figure 19. Output Ready Voltage (V RST A ) Figure 21. OVP Threshold Voltage (V RDY,SAT ...
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... IC is disabled. Error! Reference source not found. is the timing chart of the internal circuit near the INV pin when rated PFC output voltage is 390V supply voltage is 15V. © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0 PFC CC exceeds V ...
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... When the power switch turns on, negative voltage is induced at the auxiliary winding due to the opposite winding direction © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 (see Equation 1). Positive voltage is induced (see Equation 2) when the power switch turns off. ...
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... In CCM, unlike CRM where the boost inductor © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 current is reset to zero at the next switch on; inductor current builds up at every switching cycle and can be raised to very high current that exceeds the current rating of the power switch or diode ...
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... Figure 35. Gain Characteristic © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 6. Soft-Start: When V reaches V CC reference voltage is increased like a stair step for 5ms result also raised gradually and MOSFET COMP turn-on time increases smoothly ...
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... PFC. Figure 38. Input and Output Current Near Input Voltage Peak © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Figure 39. To improve this, lengthened turn-on time near the zero cross region is a well-known technique, though the method may vary and may be proprietary ...
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... In this scheme, some mismatch may exist. For example, when the electric power is Figure 42. Operation without V © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 suddenly interrupted during two or three AC line periods voltage drops because there is no input power source. ...
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... The switching current sense path should not share with another path to avoid interference. Some additional components may be needed to reduce the noise level applied to the CS pin. © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0 stabilizing capacitor for V close as possible to the V CC difficult, place the SMD capacitor as close to the corresponding pins as possible ...
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... C114 C115 ,2.2n ,2. C101, 220nF R101,1M- J ZNR101 ,10D471 Circuit for V Circuit for V © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Input Voltage Device Range 90-265V AC power can be supplied through Zero Current Detect (ZCD) CC Optional D106 600V 3A 230mH, 49:6 V AUX ...
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... N AUX Top Insulation: Polyester Tape t = 0.025mm, 4 Layers 4. Electrical Characteristics Inductance 5. Core & Bobbin Core: EER3124, Samhwa (PL-7) (Ae=97.9mm Bobbin: EER3124 © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Figure 46. Transformer Schematic Diagram Wire Turns 0.1φ× → 4 0.3φ ...
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... C107 33µF/50V C108 220nF/50V C109 47nF/50V C110 1nF/50V C112 47nF/50V C111 220µF/450V C114 2.2nF/450V C115 2.2nF/450V © 2010 Fairchild Semiconductor Corporation FAN7930C • Rev. 1.0.0 Note Part # 1W Q101 1/2W 1W D101 1/4W D102 1/4W D103 1/4W D104 1/4W D105 1/4W ...
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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 FAN7930C • Rev. 1.0.0 22 www.fairchildsemi.com ...