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Reference Design Kit, LinkSwitch™-TN2 Highly Energy Efficient Off-line Switcher IC


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Technical Datasheet:
RDK-506   Datasheet
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Product Range Selector (TUK SGACK902S Keystone Coupler)

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Product Overview

Reference design kit for a 1.44W non-isolated buck converter using LinkSwitch™ -TN2 LNK3204D/P/G. Typical application includes small appliance. The board provides a non-isolated 12V, 120mA continuous output. In metering applications this is used to supply the control circuits and micro controller. LinkSwitch-TN2 integrates a 725V MOSFET and control circuitry into a single low cost IC. Regulation is achieved using a low cost resistor divider feedback network. The switching frequency jitter feature of the LinkSwitch-TN2 family and the 66KHz switching frequency of operation helps reduce EMI.
  • Input: 85VAC to 265VAC, output: 12V, 120mA
  • Highly integrated solution
  • Lowest possible component count
  • No optocoupler or zener diode required for regulation
  • Thermal overload protection with automatic recovery
  • <30mW no-load consumption, >75% efficiency at full load
  • <±3% load regulation


All testing should be performed using an isolation transformer to provide the AC input to the prototype board.


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Power Integrations

LNK3204D, LNK3204G, LNK3204P

Power Management

Buck Converter




Ref Design Board

TUK SGACK902S Keystone Coupler

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Technical Documents (1)

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S$143.00 ( S$155.87  Inc. GST)

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