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FAN7930B Datasheet(PDF) 2 Page - ON Semiconductor |
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FAN7930B Datasheet(HTML) 2 Page - ON Semiconductor |
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2 / 22 page  www.onsemi.com 2 Application Diagram AC INPUT DC OUTPUT Line Filter 1 7 6 8 5 3 4 2 FAN7930B COMP INV VCC Out GND ZCD CS OVP Vcc Figure 1. Typical Boost PFC Application Internal Block Diagram VCC ZCD VTH(ZCD) VCC OUT + - S Q R Q + - INV 1 5 COMP 3 Clamp Circuit + - VCS_LIM 40k W 8pF 4 CS 0.45 0.35 disable 2.675 2.5 disable + - VZ + - VTH(S/S) 12 8.5 VO(MAX) VCC 2.5VREF Internal Bias VBIAS VREF Gate Driver Restart Tmer 7 8 6 GND + - INV_open OVP OVP 2 reset reset H:open Thermal Shutdown fMAX Limit VREF Startup without Overshoot VREF Stair Step THD Optimized Sawtooth Generator VIN Absent VCC 2.88 2.5 disable + - VOVP,LH VREF Control Range Compensation Figure 2. Functional Block Diagram |
Similar Part No. - FAN7930B |
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Similar Description - FAN7930B |
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