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Infineon Technologies DEMO200W12VDCLLC Evaluation Board

Infineon DEMO200W12VDCLLC Evaluation Board is an off-line isolated power supply designed to provide a 12VDC output up to a maximum load of 16A operating from a 50/60Hz AC-line input voltage between 85VAC and 265VAC. The output of this evaluation board is protected against over-load and short-circuit. An over-voltage protection circuit is also included to limit the output voltage at light loads. The evaluation board has synchronous rectification based on the IR1155, IRS27952, and IR11688 controllers. The board meets an average efficiency of at least 89% to meet the European Code of Conduct (EU COC) and US Department of Energy (US DOE) standards for 25%, 50%, 75%, and 100% loads.

Specifications

  • Input and output at normal operation
    • AC input voltage 85VRMS to 265VRMS (55 to 65Hz)
    • Output voltage 12V
    • Output current 16A
    • Maximum output continuous power 192W
    • PF greater than 0.9 at maximum load, 85VAC to 265VAC input voltage
    • Total Harmonic Distortion (iTHD) less than 20% at maximum load, to 265VRMS input voltage
    • Average four-point efficiency greater than 89% at 120VRMS and 230VRMS input voltage
    • Start-up time to reach the secondary nominal output voltage during full-load condition at 120VRMS and 230VRMS input voltage less than 300ms
  • Protection features
    • Output Over-Voltage Protection (OVP) at VOUT less than or equal to 16V
    • Over-Current Protection (OCP) at 19A, hiccup mode
    • Short-Circuit Protection (SCP), hiccup mode
    • Brown-out protection, shut-down at 60VRMS to 65VRMS, and start-up at 75VRMS to 80VRMS AC input voltages
  • No-load operation
  • Burst mode during a no-load condition
  • Maximum power loss during no-load condition is 1W at 120VRMS and 230VRMS input voltage
  • Maximum component temperature (In an ambient temperature of 30°C, the maximum allowed component temperatures are as follows)
    • Resistors less than 100°C
    • Ceramic capacitors, film capacitors and electrolytic capacitors less than 100°C
    • PFC, Flyback, LLC transformers less than 100°C
    • MOSFET transistors and diodes less than 100°C
    • ICs less than 100°C
  • Dimensions of the evaluation board
  • Maximum width of 7.66 inches (194.7mm), maximum length of 3.66 inches (93.04mm)

Infineon Power and Sensing Selection Guide

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Infineon Technologies DEMO200W12VDCLLC Evaluation Board