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All the features of TinySwitch-III, plus a peak power mode further extending its power capability

This product is in End-of-Life status and is no longer available.
Suggested Alternative: TinySwitch-4

Product Details


  • Simple ON/OFF control
  • More power from one transformer
  • Tight I2f parameter reduces system cost
  • ON time extension typically extends low line regulation range/hold-up time to reduce input bulk capacitance
  • Self-biased - no bias winding required for TNY375-376
  • Frequency jittering reduces EMI filter costs


TinySwitch-PK is ideally suited for applications with high peak-to-continuous power demand, including:

  • DVDs
  • Set-top decoders
  • Active speakers (e.g., PC audio)
  • Audio amplifiers
  • Modems
  • Photo printers