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Version 1.1.1
Page 28 of 38
SMT398 User Manual
DC/DC Converter
This module is designed to provide up to 20A of low voltage supply to the FPGA from
a single 5V input. The output voltage provided is a Vout of 1.5V.
Current limiting is provided if more than 20 A are drawn out of the DC\DC converter.
Figure 9: DC/DC converter dimensions (in inches)
Linear Voltage regulator
The QDR core voltage is provided through an adjustable linear voltage regulator from
3.3V.
Fan
A fan coupled with a heatsink can be mounted on the Virtex II to provide heat
dissipation but a permanent airflow should always be maintained inbox to provide
enough cooling for your system. Please ask Sundance when ordering.
Power Consumption
QDR: 2.5 Watts.
ZBT: 5.544 Watts.
CPLD: 0.2 Watts.
FPGA: depending on the implemented design, the power consumption can reach a
maximum of 30 Watts.
Please consider connecting an external power supply to the carrier board. (see 0 for
information
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