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Non-Isolated Programmable Output DOSA POL Converters


Murata Power Solutions and Digi-Key Introduce Okami™ DC/DC Converter Series

The Okami OKY series is a miniature non-isolated Point-of-Load (POL) switch mode DC/DC power converter for embedded applications. The modules are fully compatible with Distributed-power Open Standards Alliance (DOSA) industry standard specifications. Applications include powering CPU's, datacom/telecom systems, Distributed Bus Architectures (DBA), programmable logic, and mixed voltage systems.Okami DC/DC Converters
Based on fixed-frequency synchronous buck converter switching topology, the high power conversion efficient POL modules feature programmable output voltage and On/Off control. These converters also include under voltage lock out (UVLO), output short circuit protection, over-current, and over-temperature protections. These units are designed to meet all standard UL/EN/IEC 60950-1 safety and FCC EMI/RFI emissions certifications and RoHS-6 hazardous substance compliance.

  • Features
  • Diagram
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Features


OKY T/3, T/5 - W5, D12 Series RoHS Compliant
Okami OKY Series
  • 2.4 - 5.5Vdc (W5) or 8.3 - 14Vdc (D12) input voltage range
  • Programmable output voltage from 0.75 - 3.63Vdc
  • 3 Amp (T/3) or 5 Amp (T/5) output current models
  • Drives 1000 µF ceramic capacitive loads
  • High power conversion efficiency 92% - 96%
  • Outstanding thermal derating performance
  • Over-temperature and over-current protection
  • On/Off control
  • Industry standard (DOSA) surface mount package

Diagram


Okami OKY Series Diagram

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Digi-Key Part NumberManufacturer Part NumberV outI outPower outV in (Range)On/Off LogicEfficiency
811-2065-2-NDOKY-T/3-W5P-C0.75-3.633 A10.9 W5 (2.4-5.5)Positive94%Datasheet
811-2064-2-NDOKY-T/3-W5N-CNegative
811-1991-2-NDOKY-T/3-D12P-C0.75-5.515 W12 (8.3-14)Positive92%Datasheet
811-1990-2-ND OKY-T/3-D12N-CNegative
811-2067-2-NDOKY-T/5-W5P-C0.75-3.635 A18 W5 (2.4-5.5)Positive96%Datasheet
811-2066-2-NDOKY-T/5-W5N-CNegative
811-1992-2-NDOKY-T/5-D12N-C0.75-5.525 W12 (8.3-14)Negative92%Datasheet