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TB6819AFG - Critical Conduction Mode (CRM) PFC Controller IC

Description

Output voltage feedback pin.

This is the input of the error amplifier (E-Amp), OVP-2 and FOD.

The PFC output voltage should be resistively divided down and applied to this pin.

Features

  • Operating voltage range: 10.0 to 25 V.
  • Startup voltage: 12.0 V (typ. ).
  • Maximum drive current: 1.0 A.
  • Variety of protection circuits.
  • DC Input overvoltage protection (OVP-1).
  • PFC Output overvoltage protection (OVP-2).
  • Under voltage lockout (UVLO).
  • Feedback-loop open detector (FOD).
  • Brown out protection (BOP).
  • Package: SOP8 SOP8-P-225-1.27 P-SOP8-0406-1.27-001 Weight: 0.1 g (typ. ) Block Diagram GND 6 MUL.

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TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB6819AFG TB6819AFG Critical Conduction Mode (CRM) PFC Controller IC Features • Operating voltage range: 10.0 to 25 V • Startup voltage: 12.0 V (typ.) • Maximum drive current: 1.0 A • Variety of protection circuits • DC Input overvoltage protection (OVP-1) • PFC Output overvoltage protection (OVP-2) • Under voltage lockout (UVLO) • Feedback-loop open detector (FOD) • Brown out protection (BOP) • Package: SOP8 SOP8-P-225-1.27 P-SOP8-0406-1.27-001 Weight: 0.1 g (typ.) Block Diagram GND 6 MULT ZCD 3 5 IS 4 Vcc 8 - + Clamp Timer2 SQ Timer1 COMP 2 FB IN 1 MULT + E-Amp.
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