FAN6862L Fairchild Semiconductor, FAN6862L Datasheet
FAN6862L
Related parts for FAN6862L
FAN6862L Summary of contents
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... FAN6862R / FAN6862L Highly Integrated Green-Mode PWM Controller Features Low Startup Current: 8µA Low Operating Current in Green Mode: 3mA Peak-Current-Mode Operation with Cycle-by-Cycle Current Limiting PWM Frequency Continuously Decreasing with Burst Mode at Light Loads V Over-Voltage Protection (OVP) DD Constant Output Power Limit (Full AC Input Range) ...
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... Typical Application Block Diagram © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 Figure 1. Typical Application Figure 2. Block Diagram 2 www.fairchildsemi.com ...
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... This pin senses the voltage across a resistor. When the voltage reaches the internal threshold, PWM output is disabled. This activates over-current protection. This pin also provides current amplitude information for current-mode control. 3 ABx: ABA: FAN6862LTY ABC: FAN6862RTY TT: Wafer Lot Code : Year Code ...
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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 FAN6862R/L • Rev. 1.0.0 Parameter <50°C A Parameter 4 Min ...
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... FB Threshold Voltage For Frequency V FB-N Reduction V FB Voltage at f FB-G OSC Threshold Voltage for Zero Duty FB-ZDC f Frequency Variation vs Frequency Variation vs. Temperature f DT Deviation © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 Parameter Test Condition V DD-ON C =1nF L GATE Open =5V DD Duty>51% Duty=0% ...
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... Threshold Voltage for Over-Temperature V OTP Protection t Over-Temperature Debounce Time DOTP nd 2 Threshold Voltage for Over- V OTP2 Temperature Protection Over-Temperature Debounce Time DOTP2 © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 (Continued) Parameter Test Condition V =15V =8V =1nF L C =1nF L V ...
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... Turn-On Threshold Voltage (V vs. Temperature 4.5 4.1 3.7 3.3 2.9 2.5 -40 -30 - Temperature (ºC) Figure 7. Operating Current ( -40 -30 - Temperature (ºC) Figure 9. Center Frequency (f © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 9.5 9.1 8.7 8.3 7.9 7 100 125 -40 ) Figure 6. DD-ON 26 25.6 25.2 24.8 24 100 125 -40 ) vs. Temperature Figure 8. ...
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... Temperature (ºC) Figure 13. Open-Loop Protection Delay Time (t vs. Temperature 0.55 0.51 0.47 0.43 0.39 0.35 -40 -30 - Temperature (ºC) Figure 15. Valley Threshold Voltage for Current Limit (V ) vs. Temperature STHVA © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 (Continued) 4.9 4.8 4.7 4.6 4.5 4.4 4 100 125 - vs. Temperature Figure 12. Threshold Voltage for Open-Loop FB-G 0 ...
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... Temperature (ºC) Figure 17. Maximum Duty Cycle (DCY vs. Temperature -40 -30 - Temperature (ºC) Figure 19. Falling Time (t © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 (Continued) 180 160 140 120 100 100 125 -40 ) Figure 18. Rising Time (t MAX ...
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... Once V rises above V FB resumes. Burst mode alternately enables and disables switching, thereby reducing switching loss in standby mode, as shown in Figure 23. © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 startup circuit and +4.2kHz 65kHz -4 ...
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... Protection (OVP), Open-Loop / Overload Protection (OLP), Over-Current Protection (OCP), Short-Circuit Protection, and Over-Temperature Protection (OTP). FAN6862R uses auto-restart mode protections and FAN6862L uses latch-mode protections. Auto-Restart Mode Protection: Once a fault condition is detected, switching is terminated and the MOSFET remains off. This causes V DD power is delivered from auxiliary winding ...
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... Figure 27. Figure 27. Sawtooth Current Limiter © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 Leading-Edge Blanking (t Each time the power MOSFET is switched on, a turn-on ...
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... 85.29% (Energy star V2. 25% 50% Figure 29. Measured Efficiency and Over-Current Protection © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 Input Voltage Range 90~265V 75% 100% Load (%) Figure 30. Schematic of Typical Application Circuit 13 Output 19V/2.1A (40W Over Current Protection 4 ...
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... Terminal Fly- Fly Primary-Side Inductance Primary-Side Effective Leakage © 2009 Fairchild Semiconductor Corporation FAN6862R/L • Rev. 1.0.0 (Continued) Figure 31. Transformer Diagram WIRE Ts 0.25*1 9 0.25 COPPER SHIELD 1.2 0. COPPER SHIELD 1.2 0. CORE ROUNDING TAPE Pin Specification 3- ...
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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 FAN6862R/L • Rev. 1.0.0 16 www.fairchildsemi.com ...