FAN4810N Fairchild Semiconductor, FAN4810N Datasheet
FAN4810N
Specifications of FAN4810N
FAN4810N_NL
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FAN4810N Summary of contents
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FAN4810 Power Factor Correction Controller Features • TriFault Detect™ for UL1950 compliance and enhanced safety • Slew rate enhanced transconductance error amplifier for ultra-fast PFC response • Low power: 200µA startup current, 5.5mA operating current • Low total harmonic distortion, ...
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FAN4810 Pin Configuration Pin Description Pin Name 1 IEAO Slew rate enhanced PFC transconductance error amplifier output 2 I PFC AC line reference input to Gain Modulator Current sense input to the PFC Gain Modulator SENSE 4 ...
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PRODUCT SPECIFICATION Abolute Maximum Ratings Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Parameter Voltage SENSE Voltage ...
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FAN4810 Electrical Characteristics(Continued) Unless otherwise specified 15V Symbol Parameter Output High Voltage Output Low Voltage Source Current Sink Current Open Loop Gain Power Supply Rejection Ratio OVP Comparator Threshold Voltage Hysteresis Tri-Fault Detect Fault Detect HIGH ...
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PRODUCT SPECIFICATION Electrical Characteristics(Continued) Unless otherwise specified 15V Symbol Parameter Temperature Stability Total Variation Long Term Stability PFC Minimum Duty Cycle Maximum Duty Cycle Output Low Voltage Output High Voltage Rise/Fall Time Clock Duty Cycle Supply ...
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FAN4810 Typical Performance Characteristics Voltage Error Amplifier (VEA) Transconductance (g 180 160 140 120 100 –500 0 IEA INPUT VOLTAGE (mV) Current Error Amplifier (IEA) Transconductance (g 6 180 160 140 120 100 80 60 ...
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PRODUCT SPECIFICATION Power Factor Correction Power factor correction makes a nonlinear load look like a resistive load to the AC line. For a resistor, the current drawn from the line is in phase with and proportional to the line voltage, ...
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FAN4810 Current Error Amplifier The current error amplifier’s output controls the PFC duty cycle to keep the average current through the boost inductor a linear function of the line voltage. At the inverting input to the current error amplifier, the ...
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PRODUCT SPECIFICATION Error Amplifier Compensation The output of the PFC is typically loaded by a PWM converter to produce the low voltages and high currents required at the outputs of a SMPS. PWM loading of the PFC can be modeled ...
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FAN4810 Oscillator (RAMP 1) The oscillator frequency is determined by the values of RT and C , which determine the ramp and off-time of the T oscillator output clock --------------------------------------------------- - OSC RAMP DEADTIME ...
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PRODUCT SPECIFICATION KBLD6 F1 3.15A INPUT BR1 85 TO 260 RAMP1 R31 100 ISENSE Figure 4. 125W Power Factor Corrected Power Supply Using AN42046 REV. 1.0.12 9/24/03 IN5406 D2 3.1mH 15L9R482 L1 ...
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FAN4810 Package Dimensions 16-Lead Plastic Dual Inline Package (PDIP) 0.300" Body Width Inches Symbol Min. Max. A — .210 A1 .015 — A2 .115 .195 B .014 .022 B1 ...
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PRODUCT SPECIFICATION Package Dimensions (Continued) 16-Lead Small Outline IC (SOIC) 0.150" REV. 1.0.12 9/24/03 Inches Symbol Min. A .053 A1 .004 B .013 C .0075 D .386 E .150 e .050 BSC H .228 ...
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... FAN4810 Ordering Information Part Number FAN4810N FAN4810M FAN4810MX DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...