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FAN7527B Power Factor Correction Controller Features Description Internal Startup Timer Precise Adjustable Output Over-Voltage Protection Internal R/C Filter Eliminates the Need for External R/C Filter Zero Current Detector One Quadrant Multiplier Trimmed 1.5% Internal Band Gap Reference Under-Voltage Lockout with 3 V of Hysteresis The FAN7527B provides simple and high-performance active Power Factor Correction (PFC). The FAN7527B is optimized for electronic ballasts and low-power, highdensity power supplies that require minimum board size, reduced external components, and low power dissipation. Because the R/C filter is included in the current-sense block, an external R/C filter is not necessary. Special circuitry prevents no-load runaway conditions. Regardless of the supply voltage, the output drive clamping circuit limits the overshoot of the power MOSFET gate drive, which improves system reliability. Totem-Pole Output with High-State Clamp Low Startup and Operating Current 8-Pin SOP or 8-Pin DIP Applications Electronic Ballast SMPS Ordering Information Part Number Operating Temperature Range Package Packing Method FAN7527BMX -25 to +125C 8-Lead, Small Outline Package (SOP) Tape and Reel FAN7527BN -25 to +125C 8-Lead, Dual Inline Package (DIP) Tube (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 www.fairchildsemi.com FAN7527B -- Power Factor Correction Controller April 2013 FAN7527B -- Power Factor Correction Controller Block Diagram Figure 1. (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 Block Diagram www.fairchildsemi.com 2 FAN7527B -- Power Factor Correction Controller Pin Configuration Figure 2. Pin Configuration Pin Definitions Pin # Name Description 1 INV 2 EA_OUT 3 MULT 4 CS Input of the PWM comparator. The MOSFET current is sensed by a resistor and the resulting voltage is applied to this pin. An internal R/C filter is included to reject high-frequency noise. 5 Idet Zero Current Detection (ZCD) input. 6 GND Ground 7 OUT Gate driver output. Push-pull output stage is able to drive the power MOSFET with a peak current of 500 mA. 8 VCC Supply voltage of driver and control circuits. Inverting input of the error amplifier. The output of the boost converter should be resistively divided to 2.5 V and connected to this pin. Output of the error amplifier. Feedback compensation network is placed between this pin and the INV pin. Input to the multiplier stage. The full-wave rectified AC voltage is divided to less than 2 V and is connected to this pin. (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 www.fairchildsemi.com 3 Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol VCC Parameter Min. Supply Voltage Max. Unit 30 V IOH, IOL Peak Drive Output Current 500 mA ICLAMP Driver Output Clamping Diodes VO > VCC or VO<-0.3 V 10 mA IDET Detector Clamping Diodes 10 mA VIN Error Amplifier Multiplier and Comparator Input Voltages 6.0 V TJ Operation Junction Temperature -0.3 +150 C TOPR Operating Temperature Range -25 +125 C TSTG Storage Temperature Range -65 +150 C 8-SOP 0.8 W 8-DIP 1.1 W 8-SOP 150 C/W 8-DIP 110 C/W Max. Unit PD Power Dissipation JA Thermal Resistance Junction-Ambient FAN7527B -- Power Factor Correction Controller Absolute Maximum Ratings Temperature Characteristics -25C TA 125C. Symbol Parameter Min. VREF Temperature Stability Reference Voltage (VREF) K/T Temperature Stability for Multiplier Gain (K) (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 Typ. 20 mV -0.2 % / C www.fairchildsemi.com 4 VCC= 14 V, -25C TA 125C, unless otherwise stated. Symbol Parameter Conditions Min. Typ. Max. Unit 10.5 11.5 12.5 V 2 3 4 V 10 60 100 A 3 6 mA 1.7 4.0 mA 4 8 mA Under-Voltage Lockout Vth(st) Start Threshold Voltage HY(st) UVLO Hysteresis VCC Increasing Supply Current Section IST Startup Supply Current VCC = Vth(st) -0.2 V ICC Operating Supply Current Output Not Switching ICC(OVP) Operating Current at OVP VINV = 3 V IDCC Dynamic Operating Supply Current 50 kHz, CI = 1 nF Error Amplifier Section VREF Voltage Feedback Input Threshold IREF = 0 mA, TA = 25C 2.465 2.500 2.535 25C TA 125C 2.440 2.500 2.560 10.0 V VFEF1 Line Regulation 14 V VCC 25 V 0.1 VFEF3 Temperature Stability of VREF(1) -25C TA 125C 20 Ib(ea) ISOURCE ISINK Input Bias Current -0.5 0.5 A VM2 = 4 V -2 -4 mA Output Sink Current VM2 = 4 V 2 4 mA 6 V 2.25 V 60 80 dB 60 80 dB 1 MHZ 0.6 V/s Output Upper Clamp Voltage(1) VEAO(L) (1) PSRR mV Output Source Current VEAO(H) GV mV ISOURCE = 0.1 mA Output Lower Clamp Voltage Large Signal Open-Loop Gain Power Supply Rejection Ratio GBW Unity Gain Bandwidth SR (1) ISINK = 0.1 mA (1) (1) 14 V VCC 25 V (1) Slew Rate FAN7527B -- Power Factor Correction Controller Electrical Characteristics Multiplier Section Ib(m) Input Bias Current (Pin 3) VM1 M1 Input Voltage Range (Pin 3) VM2 M2 Input Voltage Range (Pin 2) K VOMAX(m) K/T -0.5 (1) Multiplier Gain VREF VM1 = 1 V, VM2 = 3.5 V Maximum Multiplier Output Voltage VINV =0 V, VM1 = 4 V Temperature Stability of K(1) 0.5 A 3.8 V VREF+2.5 V 0.36 0.44 0.52 1/V 1.65 1.80 1.95 V -25 TA 125C -0.2 % / C Current Sense Section VIO(CS) Ib(CS) tD(CS) Input Offset Voltage(1) Input Bias Current Current Sense Delay to Output VM1 = 0 V, VM2 = 2.2 V -10 3 10 mV 0 V VCS 1.7 V -1.0 -0.1 1.0 A 200 500 ns (1) Continued on the following page... (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 www.fairchildsemi.com 5 VCC= 14 V, -25C TA 125C, unless otherwise stated. Symbol Parameter Conditions Min. Typ. Max. Unit 1.7 2.0 2.3 V 0.2 0.5 0.8 V Zero Current Detect Section VTH(DET) Input Voltage Threshold HY(DET) Detect Hysteresis VDET Increasing VCLAMP(I) Input Low Clamp Voltage IDET = -100 A 0.45 0.75 1.00 V VCLAMP(H) Input High Clamp Voltage IDET = 3 mA 6.5 7.2 7.9 V Input Bias Current 1 V VDET 5 V -1.0 -0.1 1.0 A 3 mA Ib(DET) ICLAMP(D) Input High/Low Clamp Diode Current(1) Output Section VOH Output Voltage High IO = -10 mA VOL 10.5 11.0 V Output Voltage Low IO = 10 mA 0.8 1.0 V tR Rising Time(1) CL = 1 nF 130 200 ns tF Falling Time(1) CL = 1 nF 50 120 ns VOMAX(O) Maximum Output Voltage VCC = 20 V, IO = 100 A 14 16 V VOMIN(O) Output Voltage with UVLO Activated VCC = 5 V, IO = 100 A 1 V 12 FAN7527B -- Power Factor Correction Controller Electrical Characteristics (Continued) Restart Timer Section tD(RST) Restart Time Delay VM1 = 1 V, VM2 = 3.5 V 150 s Over-Voltage Protection Section ISOVP Soft OVP Detecting Current IDOVP Dynamic OVP Detecting Current VOVP Static OVP Threshold Voltage 25 VINV = 2.7 V 30 35 A 35 40 45 A 2.10 2.25 2.40 V Note: 1. These parameters, although guaranteed, are not 100% tested in production. Multiplier Gain: K Pin 4 _ Threshold VM 1 VM 2 VREF where VM1 = VPIN3, VM2 = VPIN2 (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 www.fairchildsemi.com 6 Figure 3. Error Amplifier Output Voltage vs. Current Sensing Threshold Figure 4. Multiplier Input Voltage vs. Current Sensing Threshold Figure 5. Supply Current vs. Supply Voltage Figure 6. Reference Voltage vs. Temperature Figure 7. Startup Threshold vs. Temperature (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 Figure 8. FAN7527B -- Power Factor Correction Controller Typical Performance Characteristics UVLO Hysteresis vs. Temperature www.fairchildsemi.com 7 Figure 9. Startup Supply Current vs. Temperature Figure 11. Figure 13. Figure 10. Error Amplifier Sink Current vs. Temperature Figure 12. Multiplier Gain vs. Temperature (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 Figure 14. Error Amplifier Source Current FAN7527B -- Power Factor Correction Controller Typical Performance Characteristics (Continued) Error Amplifier Input Bias Current vs. Temperature IDET Threshold Voltage vs. Threshold www.fairchildsemi.com 8 Figure 15. Figure 17. IDET Input Hysteresis vs. Temperature Figure 16. Maximum Multiplier Output Voltage vs. Temperature (c) 2003 Fairchild Semiconductor Corporation FAN7527B * Rev. 1.0.3 Figure 18. Restart Time vs. Temperature FAN7527B -- Power Factor Correction Controller Typical Performance Characteristics (Continued) Supply Current vs. Temperature www.fairchildsemi.com 9 9.83 9.00 8 5 6.670 6.096 1 4 8.255 7.610 TOP VIEW 1.65 1.27 (0.56) 7.62 3.683 3.200 5.08 MAX 3.60 3.00 0.33 MIN 0.560 0.355 2.54 0.356 0.200 7.62 9.957 7.870 FRONT VIEW SIDE VIEW NOTES: A. CONFORMS TO JEDEC MS-001, VARIATION BA B. ALL DIMENSIONS ARE IN MILLIMETERS C. DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND TIE BAR EXTRUSIONS D. DIMENSIONS AND TOLERANCES PER ASME Y14.5M-2009 E. DRAWING FILENAME: MKT-N08Frev3 15 0 ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor's product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. "Typical" parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. 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