Download SG1843 Datasheet PDF
SG1843 page 2
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SG1843 Description

The SG1842/43 family of control IC's provides all lockout, current limiting circuitry and start-up the necessary.

SG1843 Key Features

  • OPTIMIZED FOR OFF-LINE
  • LOW START-UP CURRENT (<1mA)
  • AUTOMATIC FEED FORWARD
  • TRIMMED OSCILLATOR
  • PULSE-BY-PULSE CURRENT
  • ENHANCED LOAD RESPONSE
  • UNDER-VOLTAGE LOCKOUT
  • DOUBLE-PULSE SUPPRESSION
  • HIGH-CURRENT TOTEM-POLE
  • INTERNALLY TRIMMED BANDGAP