TNY266PN Power management IC

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  • Fully integrated auto-restart for short circuit and open loop fault protection
  • Built in circuitry practically eliminates audible noise with ordinary dip-varnished transformer
  • Programmable line under voltage detect feature prevents power on/off glitches
  • Frequency jittering dramatically reduces EMI (~10dB)
  • 132kHz operation reduces transformer size
  • Very tight tolerances and negligible temperature variation on key parameters
  • Low component count switcher solution
  • Simple ON/OFF control - no loop compensation needed
  • No bias winding
  • Simple design practically eliminates rework in manufacturing
  • No load consumption <50mW with bias winding and <250mW without bias winding at 265VAC input
  • High bandwidth provides fast turn on with no overshoot
  • Current limit operation rejects line frequency ripple
  • Built in current limit and thermal protection improves safety
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