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LNK304PN

AC-DC Off-Line Switcher IC, Integrated MOSFET, 85 VAC - 265 VAC in, 66 KHz, 120 mA output, DIP-7

POWER INTEGRATIONS LNK304PN

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Manufacturer Part No:
LNK304PN
Order Code:
2475336
Product Range
LinkSwitch-TN Series
Technical Datasheet:
LNK304PN   Datasheet
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Product Range Selector (LinkSwitch-TN Series)

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Product Overview

The LNK304PN is a LinkSwitch-TN lowest component count, Energy-efficient Off-line Switcher IC. It is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360mA output current range at equal system cost while offering much higher performance and energy efficiency. This device integrate a 700V 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. The fully integrated auto-restart circuit in the safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost.
  • Lowest component count buck converter solution
  • Uses a simplified controller without auto-restart
  • Tight tolerances and negligible temperature variation
  • Supports buck, buck-boost and flyback topologies
  • Excellent line and load regulation even with typical configuration
  • High bandwidth provides fast turn-on with no overshoot
  • Current limit operation rejects line ripple
  • Universal input voltage range (85 to 265VAC)
  • Built-in current limit and hysteretic thermal protection
  • Higher efficiency than passive solutions
  • Higher power factor than capacitor-fed solutions
  • Entirely manufacturable in SMD

Applications

Industrial, Power Management

Product Information

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:
85V

:
265V

:
DIP

:
7Pins

:
-

:
Buck, Buck-Boost, Flyback

:
-40°C

:
150°C

:
LinkSwitch-TN Series

:
MSL 3 - 168 hours
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Technical Docs (2)

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