FAN4801NY Fairchild Semiconductor, FAN4801NY Datasheet
FAN4801NY
Specifications of FAN4801NY
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FAN4801NY Summary of contents
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... Monitor Power Supply Telecom System Power Supply Distributed Power © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Description The highly integrated FAN4800A/C and FAN4801/02/2L are specially designed for power supplies that consist of boost PFC and PWM. They require very few external ...
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... FAN4802MY -40°C to +105°C FAN4802LMY -40°C to +105°C Part Number PFC:PWM Frequency Ratio FAN4800ANY FAN4800AMY FAN4800CNY FAN4800CMY FAN4801NY FAN4802NY FAN4802LNY FAN4801MY FAN4802MY FAN4802LMY © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Package 16-Pin Dual In-Line Package (DIP) 16-Pin Dual In-Line Package (DIP) ...
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... Application Diagram V REF Secondary © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 VEA IEA FBPFC IAC ISENSE VREF VRMS VDD SS OPFC FBPWM OPWM RT/CT GND RAMP ILIMIT FAN4800A/C FAN4801/02/02L Figure 1. Typical Application Current Mode www.fairchildsemi.com ...
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... Application Diagram V REF Secondary © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 VEA IEA FBPFC IAC ISENSE VREF VRMS VDD SS OPFC FBPWM OPWM RT/CT GND RAMP ILIMIT FAN4800A/C FAN4801/02/02L V REF Figure 2. Typical Application Voltage Mode www.fairchildsemi.com ...
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... Block Diagram Figure 4. FAN4801/02/02L Function Block Diagram © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Figure 3. FAN4800A/C Function Block Diagram 5 www.fairchildsemi.com ...
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... Marking Information © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 – Fairchild Logo F Z – Plant Code X – 1-Digit Year Code Y – 2-Digit Week Code TT – 2-Digit Die-Run Code T – Package Type (M:SOP) P – Y: Green Package M – Manufacture Flow Code Figure 5. DIP Top Mark – ...
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... PFC error amplifier. This pin is connected to the PFC output through a divider network. Output of PFC Voltage Amplifier. The error amplifier output for PFC voltage feedback loop. 16 VEA A compensation network is connected between this pin and ground. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Figure 7. Pin Configuration (Top View) Description 7 and C ...
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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 © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Parameter < 50°C A DIP SOP ...
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... Voltage OFF OPFC EAOFF Comparator IN Voltage Level on FBPFC V to Enable OPWM During RD-FBPFC Startup V Hysteresis RD-FBPFC © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 =1000pF unless noted operating specifications. T Conditions V =V -0.1V; OPFC OPWM Open DD TH-ON V =13V; OPFC OPWM Open DD R =6.8kΩ ...
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... AC (4) GAIN GAIN Modulator (3) BW Bandwidth Output Voltage=5.7kΩ × V (3) o(gm SENSE OFFSET © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions (3) at T=25° =3.75V at T=25°C NONINV INV VEA V =2V ...
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... RMS AC Voltage Low RMS-L V RMS AC Voltage High RMS-H V VEA Low EA-L V VEA High EA-H I Two-Level Current tc © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions I =17.67µA, V =1.08V AC RMS V =2.25V, at T=25°C FBPFC ...
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... PWM Comparator Level Shift PWM-LS Notes: 3. This parameter, although guaranteed by design, is not 100% production tested Gain=K × 5.3 × (V )-1; K=(I RMS © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions =22V DD V =15V; I ...
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... Figure 14. f vs. Temperature OSC-FAN4802/2L © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 2.96 2.94 2.92 2.90 2.88 2.86 2.84 2.82 2.80 2.78 -40℃ ...
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... Figure 22. V vs. Temperature RD-FBPFC © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0 -40℃ -25℃ -10℃ 5℃ 20℃ 35℃ ...
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... Figure 30. V vs. Temperature PFC-ILIMIT © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0 -40℃ -25℃ Figure 25 ...
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... Figure 38. V vs. Temperature EA-L © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 10.1 10.0 9.9 9.8 9.7 9.6 9.5 9.4 9 ...
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... Figure 44. I vs. Temperature tc © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 14.4 14.3 14.2 14.1 14.0 13.9 13.8 13.7 13.6 -40℃ ...
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... PFC from the power line. The general form of the output of the gain modulator is: © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 I GAINMOD Note that the output current of the gain modulator is limited around 159μ ...
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... FAN4802L FAN4801/1S/2, such that the VRMS is less than 0.9V. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Error Amplifier Compensation The PWM loading of the PFC can be modeled as a negative resistor because an increase in the input voltage to the PWM causes a decrease in the input current ...
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... © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Pulse Width Modulator (PWM) The operation of the PWM section is straightforward, but there are several points that should be noted. Foremost among these is the inherent synchronization of PWM with the PFC section of the device, from which it also derives its basic timing ...
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... FAN4800A/C, FAN4801/02/02L system. The bootstrap winding can be taped from the PFC boost choke or the transformer of the DC-to-DC stage. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Leading/Trailing Modulation Conventional PWM techniques employ trailing-edge modulation, in which the switch turns on right after the trailing edge of the system clock ...
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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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... 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 FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 24 www.fairchildsemi.com ...