FAN6793 Fairchild Semiconductor, FAN6793 Datasheet
FAN6793
Related parts for FAN6793
FAN6793 Summary of contents
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... FAN6791 / FAN6793 Highly Integrated, Dual-PWM Combination Controller Features High-Voltage Startup Low Operating Current Interleaved Stand-by PWM / Forward PWM Switching Green Mode Stand-by PWM / Forward PWM Linearly Decreasing Stand-by PWM Frequency to 20kHz Remote On / Off AC Brownout Protection Forward PWM with Soft-Start Frequency Hopping to Reduce EMI Emissions ...
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... FAN6791NY 48% FAN6793NY 65% FAN6791MY 48% FAN6793MY 65% For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Operating Eco Temperature Status Range -40°C to +105°C Green 16-Pin Dual In-Line Package (DIP) -40°C to +105°C Green ...
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... Application Diagram © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Figure 1. Typical Application 3 www.fairchildsemi.com ...
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... Block Diagram © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Pattern Generator Figure 2. Function Block Diagram 4 www.fairchildsemi.com ...
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... Marking Information SOIC DIP Pin Configuration © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 – Fairchild Logo F Z – Plant Code X – 1-Digit Year Code Y – 1-Digit Week Code TT – 2-Digit Die Run Code T – Package Type (M:SOIC) P – Y: Green Package M – ...
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... Flyback PWM Gate Drive. The totem-pole output drive for the forward PWM MOSFET. This pin is 15 OFYB internally clamped under 16V to protect the MOSFET. Line-Voltage Detection. The pin is used for line compensation, for forward, and brownout 16 VRMS protection. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 6 exceeds the DD www.fairchildsemi.com ...
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... Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol T Operating Ambient Temperature A © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Parameter < 50°C) A Human Body Model, JEDEC:JESD22-A114 (All Pins Except HV Pin) Charged Device Model, JEDEC:JESD22-C101 ...
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... Load Regulation of Reference △V REF1 Voltage Line Regulation of Reference △V REF2 Voltage I Maximum Current REF_MAX I V Short Current OS REF © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Conditions Min. V – 0.16V DD V =15V; GATE Open DD V =15V; GATE Open =10mA REF ...
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... Circuit Protection OFYB-GATE Driver Flyback PWM Gate Output V OFYB-CLAMP Clamping Voltage V Output Voltage Low OL-OFYB V Output Voltage High OH-OFYB t Rising Time R-OFYB t Falling Time F-OFYB © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Conditions Min. 50 2.4 0.8 130 (2) 100 1/3. Pin Open 5.0 4.2 53 2.4 60 1.8 1.2 ...
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... When activated, the output is disabled and the latch is turned off. 2. This is the threshold temperature for enabling the output again and resetting the latch after over-temperature protection has been activated. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Conditions FB Pin Open R =24kΩ ...
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... Figure 9. V vs. Temperature DD-ON 47.50 47.45 47.40 47.35 47.30 47.25 47.20 47.15 47.10 -40℃ -25℃ -10℃ 5℃ 20℃ 35℃ Figure 11. OPWM Maximum Duty Cycle vs. Temperature © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 -40℃ -25℃ -10℃ 95℃ 110℃ 125℃ vs. Temperature 2.5 2.0 1.5 1.0 0.5 0.0 65℃ ...
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... PWM-VLIMIT RMS 0.815 0.810 0.805 0.800 0.795 0.790 0.785 0.780 -40℃ -25℃ -10℃ 5℃ 20℃ 35℃ Figure 19 =1V) vs. Temperature FYB-VLIMIT RMS © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 57.5 57.0 56.5 56.0 55.5 55.0 54.5 54.0 53.5 -40℃ -25℃ -10℃ vs. Temperature Figure 14. Falling Time ...
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... Typical Characteristics 66.1 66.0 65.9 65.8 65.7 65.6 65.5 -40℃ -25℃ -10℃ 5℃ 20℃ 35℃ Figure 21. OPWM Frequency vs. Temperature © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 66.3 66.2 66.1 66.0 65.9 65.8 65.7 65.6 50℃ 65℃ 80℃ 95℃ 110℃ 125℃ -40℃ -25℃ -10℃ Figure 22. OFYB Frequency vs. Temperature 13 5℃ 20℃ 35℃ 50℃ 65℃ ...
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... V and V . Once switching frequency disables, and it enters burst mode. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 dual-PWM synchronizes the Figure 23. Oscillation Frequency in Green Mode Line Voltage Detection (V Figure 24 shows a resistive divider with low-pass filtering for line-voltage detection on VRMS pin. The ...
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... FAN6791/3 output stages are fast totem-pole gate drivers. The output driver is clamped by an internal 18V Zener diode to protect the power MOSFET. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Constant Power Control switching to To limit the output power of the converter constantly, a power-limit function is included ...
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... Reference Circuit © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Figure 29. Reference Circuit 16 www.fairchildsemi.com ...
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... C25 C28 R10 R13 R14 R15 R17 © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 Component Reference C/0.47µF/X2 C/0.47µF/X2 C/471P/50V C/471P/50V C/102P/50V C/102P/50V C/102P/50V C/472/400V C/472/400V C/102P/50V C/10µF/50V C/104P/50V C/102P/1KV C/470µF/200V C/470µF/200V C/103P/1KV C/1000µ ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 A 19.68 18.66 9 ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ © 2008 Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 19 www.fairchildsemi.com ...
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... Fairchild Semiconductor Corporation FAN6791 / FAN6793 • Rev. 1.0.3 20 www.fairchildsemi.com ...