sg6901asz-f116 Fairchild Semiconductor, sg6901asz-f116 Datasheet
sg6901asz-f116
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sg6901asz-f116 Summary of contents
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PFC / Flyback PWM Controller FEATURES OVERVIEW Interleaved PFC/PWM switching Low start-up and operating current Innovative switching charge multiplier-divider Multi-vector control for improved PFC output transient response Average-current-mode control for PFC Programmable two-level PFC output voltage PFC over-voltage and under-voltage ...
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... PFC / Flyback PWM Controller MARKING DIAGRAMS T: S=SOP P : SG6901A TP XXXXXXXX: Wafer Lot XXXXXXXXYWWV Y: Year; WW: Week V: Assembly Location ORDERING INFORMATION Part Number Pb-Free SG6901ASZ © System General Corp. Version 1.0.1 (IAO33.0062.B0) PIN CONFIGURATION Z=Lead Free Null=regular package Package 20-pin SOP - 2 - Product Specification SG6901A www.sg.com.tw • www.fairchildsemi.com ...
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PFC / Flyback PWM Controller PIN DESCRIPTIONS Name Pin No. Type Line-Voltage VRMS 1 Detection RI 2 Oscillator Setting Over Temperature OTP 3 Protection Output for PFC IEA 4 Current Amplifier Inverting Input for IPFC 5 PFC Current Amplifier Non-inverting ...
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PFC / Flyback PWM Controller BLOCK DIAGRAM © System General Corp. Version 1.0.1 (IAO33.0062.B0 www.sg.com.tw • www.fairchildsemi.com Product Specification SG6901A September 26, 2007 ...
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PFC / Flyback PWM Controller ABSOLUTE MAXIMUM RATINGS Symbol Parameter V DC Supply Voltage* VDD I Input AC Current AC V OPWM, OPFC, IAC High V Others Low P Power Dissipation at T < 50° Operating Junction ...
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PFC / Flyback PWM Controller VRMS for UVP and RANGE Symbol Parameter RMS AC Voltage Under-Voltage Protection V RMS-UVP-1 Threshold (with t delay) UVP V Recovery Level on V RMS-UVP-2 RMS When UVP Occurs, Interval from PFC Off to t ...
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PFC / Flyback PWM Controller Peak Current Limit Symbol Parameter I Constant Current Output P Peak Current Limit Threshold Voltage V PK Cycle-by-Cycle Limit (V SENSE t Propagation Delay PD-PFC t Leading-Edge Blanking Time LEB-PFC Multiplier Symbol Parameter I Input ...
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PFC / Flyback PWM Controller PWM-Current Sense Symbol Parameter t Propagation Delay to Output PD-PWM V Peak Current Limit Threshold Voltage1 LIMIT-1 V Peak Current Limit Threshold Voltage2 LIMIT-2 t Leading-Edge Blanking Time LEB-PWM Slope Compensation △V SLOPE PWM Output ...
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PFC / Flyback PWM Controller TYPICAL CHARACTERISTICS S tart-Up C urrent ( Temperature -40 -25 - Temperature ( ) ℃ Operating C urrent ...
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PFC / Flyback PWM Controller Hig resho ANGE arator (V Tem p eratur e 2.00 1.98 1.96 1.94 1.92 1.90 -40 -25 - Tem ...
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PFC / Flyback PWM Controller Maximum Duty C ycle ( Temperature -40 -25 - Temperature ( ) ℃ Open Loop P rotection ...
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PFC / Flyback PWM Controller F alling Time ( Temperature 110 -40 -25 - Temperature ( ) ℃ PWM Maximum Duty C ycle (DC Y ...
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PFC / Flyback PWM Controller OPERATION DESCRIPTION SG6901A is a highly integrated PFC/PWM combination controller. Many functions and protections are built in to provide a compact design. The following sections describe the operation and function. Switching Frequency and Current Sources ...
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PFC / Flyback PWM Controller Interleave Switching The SG6901A uses interleaved switching to synchronize the PFC and flyback stages, which reduces switching noise and spreads the EMI emissions. Figure 3 shows off-time inserted between the turn-off of the ...
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PFC / Flyback PWM Controller Multi-Vector Error Amplifier Although the PFC stage has a low bandwidth voltage loop for better input power factor, the innovative multi-vector error amplifier provides a fast transient response to clamp the overshoot and undershoot of ...
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PFC / Flyback PWM Controller FIG Controlled Current Limiting RMS The peak current of the I is given by (V SENSE × 0. ------------------ SENSE_peak R S Flyback PWM and ...
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PFC / Flyback PWM Controller PACKAGE INFORMATION 20 PINS – PLASTIC SOP ( Dimensions: Millimeter Symbol Min. A 2.362 A1 0.101 A2 2.260 12.598 E 7.391 e H 10.007 L 0.406 F y ...
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PFC / Flyback PWM Controller © System General Corp. Version 1.0.1 (IAO33.0062.B0 www.sg.com.tw • www.fairchildsemi.com Product Specification SG6901A September 26, 2007 ...