Diagram Videos

POWER SUPPLY BLOCK DIAGRAM

UNDERSTAND SMPS

PRIMARY SIDE

  • AC to DC BRIDGE
  • RECTIFIER
  • SMPS DRIVE CHIP (PWM CHIP)
  • SMPS TRANSFORMER
  • SWITCHING MOSFET
  • MAIN FILTER

SECONDARY SIDE

  • OUTPUT DIODES
  • FILTERS
  • ERROR AMPLIFIER TL431
  • FEEDBACK OPTO COUPLER

SMPS MAIN FUNCTION

  1. START SUPPLY
  2. RUN SUPPLY
  3. GATE SIGNAL
  4. FB
  5. CS
  6. TIMING CONTROL

YOU UNDERSTAND EASY REPAIR

  • Start
  • Run
  • Out
  • Fb
  • Cs
  • Gnd
  • & Rt (frequency setting)

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