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iW1679-50 - Off-Line Digital Green-Mode Quasi-Resonant PWM Controller

Key Features

  • Optimized for 5V2A AC/DC adapters/chargers with < 30mW no-load power consumption at 230VAC and fast dynamic load response for both one-time and repetitive load transients.
  • Direct drive of low-cost BJT power switch.
  • Very tight constant voltage and constant current regulation over entire operating range.
  • PrimAccurateTM primary-side feedback eliminates opto-isolators and simplifies design.
  • EZ-EMI® design enhances manufacturability.
  • Intrin.

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Full PDF Text Transcription (Reference)

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iW1679-50 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller 1.