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FT8260 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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FT8260 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
5 / 16 page Fremont Micro Devices Preliminary FT8260/1/2x © 2014 Fremont Micro Devices Inc. Confidential Rev0.86 DS8260/1/2x-A0-page5 No. PIN FUNCTION 1 GND Ground 2 COMP Internal EA’s output. This pin connects a capacitor to ground to stabilize the current control loop 3 ZCD Zero current detection pin. A negative edge triggers the turn on signal of the internal MOSFET. Connecting this pin through a resistor divider from the auxiliary winding to GND. Over-voltage condition is detected through ZCD. If ZCD voltage is higher than the over-voltage protection (OVP) threshold after a blanking time of 1us, the over-voltage condition is detected 4 CS Current sense pin. This pin connects a current sense resistor to GND 5,6 D Internal power MOSFET drain 7,8 VCC Power supply Table1.3 FT8261/2DD terminal description ORDERING INFORMATION FT8260/1 x - x x FT8260/1/2 x - x x x Circuit Type 8260: No Dimming 8261: On/Off Dimming HSF and Packaging RT: RoHS and T&R GT: Green and T&R Package Blank: SOT23-6 Internal MOS Type B or DD Package Blank: SOP8 D: DIP8 Circuit Type 8260/2: No Dimming 8261: On/Off Dimming HSF and Packaging RB: RoHS and Tube RT: RoHS and T&R GB: Green and Tube GT: Green and T&R |
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