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270W AC/DC Power Adapter

Overview

Reliable, high‑power, and energy‑efficient external power systems that exceed standard consumer electronics requirements are needed across a wide range of industries and applications, including enterprise and computing hardware, industrial automation, medical and healthcare, and more. This system is a power‑efficient AC/DC adapter that leverages GaN FETs to deliver 270W of power from a wide AC input range and provides an adjustable constant‑voltage (CV) DC output.

System Benefits:

  • Wide AC input range from 90V to 264V
  • DC output of up to 54V/5A, with adjustable CV options for 36V/44V/54V
  • Standby power consumption of less than 300mW
  • Complies with both EU CoC V5 Tier 2 and US DOE Level VII energy efficiency standards

Block Diagram

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WS192: WEBLine.301Line.304Line.122Line.627Line.162Capacitor Non-polarizedSheet.5Sheet.6Sheet.7Sheet.8Bridge Rectifier.185Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14Sheet.15Sheet.16Sheet.17Sheet.18Sheet.19Sheet.20Sheet.21Sheet.22Sheet.23Sheet.24Sheet.25Capacitor Non-polarized .26Sheet.27Sheet.28Sheet.29Sheet.30Ground - EarthSheet.32Sheet.33Sheet.34Sheet.35LineLine.37Line.38AC Power Source.184Sheet.2Alternating CurrentLine.39Line.40Line.41Line.42Connector 1.160Connector 1.160.44Connector 1.160.45Connector 1.160.46Line.47Line.48Line.49Connector 1.160.50Line.51Line.52Connector 1.160.53Line.54Connector 1.160.55Connector 1.160.56Transformer Inductor Coreless (Air conductor)Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Sheet.63Sheet.64Sheet.65Sheet.66Transformer Inductor Coreless (Air conductor).67Sheet.68Sheet.69Sheet.70Sheet.71Sheet.72Sheet.73Sheet.74Sheet.75Sheet.76DiodeSheet.112Sheet.113Sheet.114Connected signals lineConnector LineConnector 1.160.123Diode.151Sheet.152Sheet.153Sheet.154Connector Line.15590-305 VAC90-305 VAC90-305 VACLine.157Line.158Line.159Line.160Connector 1.160.163Capacitor Non-polarized .213Sheet.214Sheet.215Sheet.216Sheet.217Ground - Earth.260Sheet.261Sheet.262Sheet.263Sheet.264Capacitor Non-polarized .265Sheet.266Sheet.267Sheet.268Sheet.269Line.270Line.271Line.272Line.273Line.274Connector 1.160.275Connector 1.160.276Ground - Earth.295Sheet.296Sheet.297Sheet.298Sheet.299Connector 1.160.305Line.311Line.313Line.315Line.316Line.317Ground - Earth.319Sheet.320Sheet.321Sheet.322Sheet.323Negative Power RailLine.758Line.759Auxiliary Winding VCCAuxiliary Winding VCCAuxiliary Winding VCCLine.329Line.331Line.332Capacitor Non-polarized .333Sheet.334Sheet.335Sheet.336Sheet.337Line.338Line.339Connector 1.160.340TransformerLine.841Inductor Air Core.509Sheet.344Sheet.345Sheet.346Sheet.347Sheet.348Sheet.349Sheet.350Sheet.351Sheet.352Line.29Inductor Air Core.212Sheet.355Sheet.356Sheet.357Sheet.358Sheet.359Sheet.360Sheet.361Sheet.362Sheet.363Line.364Connector 1.160.365Line.366Connector 1.160.367Line.385Connector 1.390Connector 1.391Line.429ShuntSheet.455Sheet.456Sheet.457Line.461Line.491Line.492Connector 1.160.493Connector 1.160.494WS192WS192WS192N-Channel Depletion MOSFET.588Sheet.589Sheet.590Sheet.591Sheet.592Sheet.593Sheet.594Sheet.595Sheet.596Sheet.597Sheet.598Sheet.599Sheet.600Connect.50Sheet.602Sheet.603Sheet.604Shunt.605Sheet.606Sheet.607Sheet.608Shunt.609Sheet.610Sheet.611Sheet.612Line.613Line.614Connector 1.160.615Ground - SignalSheet.617Sheet.618Sheet.619Sheet.620Sheet.621Connector 2Connector 2.623Line.624Connector 1.160.625Line.626SR ControllerSR ControllerSR ControllerCapacitor Non-polarized .628Sheet.629Sheet.630Sheet.631Sheet.632Ground - Signal.633Sheet.634Sheet.635Sheet.636Sheet.637Sheet.638Line.639Line.640Connector 1.160.641Connector 1.160.64256VDC/5AMAX56VDC/5AMAX56VDC/5AMAXVOUT+VOUT+VOUT+VOUT-VOUT-VOUT-Connector Line.647Connector Line.648AC/DCAC/DCAC/DCVoltage & Current ControllerVoltage & Current ControllerVoltage & Current ControllerHalf-Bridge DriverHalf-Bridge DriverHalf-Bridge DriverSheet.649OptocouplerOptocouplerOptocouplerSheet.166Sheet.167Line.160TriangleLine.141Sheet.171Feedback arrowLine.149Sheet.174Feedback arrowLine.149Line.156Line.161Line.162Line.163Arrow-Right -45Line.165Line.166Line.167Line.168RectangleLine.306Line.327Connector Line.508Line.318Sheet.650GaN FETGaN FETGaN FETN-Channel Depletion MOSFET.278Sheet.279Sheet.280Sheet.281Sheet.282Sheet.283Sheet.284Sheet.285Sheet.286Sheet.287Sheet.288Sheet.289Sheet.290Connect.50Sheet.292Sheet.293Sheet.294Sheet.651GaN FETGaN FETGaN FETN-Channel Depletion MOSFET.189Sheet.190Sheet.191Sheet.192Sheet.193Sheet.194Sheet.195Sheet.196Sheet.197Sheet.198Sheet.199Sheet.200Sheet.201Connect.50Sheet.203Sheet.204Sheet.205Line.211Sheet.652GaN FETGaN FETGaN FETN-Channel Depletion MOSFETSheet.78Sheet.79Sheet.80Sheet.81Sheet.82Sheet.83Sheet.84Sheet.85Sheet.86Sheet.87Sheet.88Sheet.89Connect.50Sheet.91Sheet.92Sheet.93Line.125Sheet.653GaN FETGaN FETGaN FETN-Channel Depletion MOSFET.127Sheet.128Sheet.129Sheet.130Sheet.131Sheet.132Sheet.133Sheet.134Sheet.135Sheet.136Sheet.137Sheet.138Sheet.139Connect.50Sheet.141Sheet.142Sheet.143Line.149Line.314Line.312Ground - Earth.115Sheet.116Sheet.117Sheet.118Sheet.119Line.300Ground - Earth.144Sheet.145Sheet.146Sheet.147Sheet.148

AC/DC

Flyback & Forward Controllers

GaN FET

GaN Power Discretes

Half-Bridge Driver

Half-Bridge FET Drivers

Optocoupler

Photocouplers/Optocouplers Transistor Output

SR Controller

Synchronous Rectifier Controllers

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