LNK304GN (DIP-7)

LNK304GN (DIP-7):

  • Lowest Component Count, Energy-Ef ficient Off-Line Switcher IC
  • LinkSwitch-TN devices integrate a 700 V power MOSFET
SKU: SLY-IC227 Category:
Description

Product Description

Description:
  • LinkSwitch-TN is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360 mA output current range at equal system cost while offering much higher performance and energy efficiency.
  • LinkSwitch-TN devices integrate a 700 V power MOSFET, oscillator, simple On/Off control scheme, a high voltage switched current source, frequency jittering, cycle-by-cycle current limit
    and thermal shutdown circuitry onto a monolithic IC.
  • The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters.
  • Technical sheet: https://pdf1.alldatasheet.com/datasheet-pdf/view/527611/POWERINT/LNK304GN.html
Applications:
• Appliances and timers
• LED drivers and industrial controls
SPECIFICATION:
  • Lowest cost and component count buck converter solution
  • Fully integrated auto-restart for short-circuit and open
  • loop fault protection – saves external component costs
  • LNK302 uses a simplified controller without auto-restart for very low system cost
  • 66 kHz operation with accurate current limit – allows low cost off-the-shelf 1 mH inductor for up to 120 mA output current
  • Tight tolerances and negligible temperature variation
  • High breakdown voltage of 700 V provides excellent input surge withstand
  • Frequency jittering dramatically reduces EMI (~10 dB)
                          – minimizes EMI filter cost
  • High thermal shutdown temperature (+135°C minimum)
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