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Platinum-Rated 720W AC/DC Reference Design

Part Number: Platinum-Rated-720W AC/DC

**For development reference only, not a product for sale**

Summary:

Microchip’s Platinum-Rated 720W AC-DC Reference Design demonstrates the flexibility and power of SMPS dsPIC® Digital Signal Controllers in switch-mode power supplies. This reference design has a peak efficiency of 94.1% and achieves the ENERGY STAR CSCI Platinum Level. It features a 2-phase interleaved power factor correction boost converter followed by a 2-phase interleaved two-switch

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  • Specifications
Specifications
  • Input: 90-264Vac, 47-63 Hz
  • Output Voltage: 11.94 – 12.1 Vdc
  • Output Current: 60A
  • Output Power Rating: 720W
  • Line Regulation: +/- 0.5% (max)
  • Load Regulation: +/- 1% (max)

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Product Features

    • Full digital control
    • Standardized form factor: 1U
    • 20 ms minimum hold-up time to compensate drop-outs during UPS step-in
    • Parallel operation, including load/current sharing capabilities
    • Hot-plug capability for easy maintenance during operation
    • EMI/EMC, which satisfies EN55022, Class B
    • Under/Over voltage lock-out
    • Sustained short-circuit protection
    • Over-temperature shutdown
    • Power de-rating
    • Adaptive control

Summary

Microchip’s Platinum-Rated 720W AC-DC Reference Design demonstrates the flexibility and power of SMPS dsPIC® Digital Signal Controllers in switch-mode power supplies. This reference design has a peak efficiency of 94.1% and achieves the ENERGY STAR CSCI Platinum Level. It features a 2-phase interleaved power factor correction boost converter followed by a 2-phase interleaved two-switch forward converter with synchronous rectification. 

This reference design is implemented using two dsPIC33F “GS” digital-power DSCs from Microchip that provide the full digital control of the power conversion as well as all system management functions. As shown in this reference design the dsPIC33F ‘GS’ devices enable designers to easily and cost effectively develop products using advanced adaptive control algorithms that help improve efficiency at light loads. The Platinum-Rated 720W AC/DC Reference Design is royalty free when used in accordance with the licensing agreement.

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Package Contents

Platinum-rated 720W AC-DC Reference Design, removable output connector, AC mains cable.