[SI-LIST] Re: SPARTAN IIE Voltage regulator selection
- From: Tegan Campbell <Tegan.Campbell@xxxxxxxxxxx>
- To: "'ismailb@xxxxxxxxxxxxxxx'" <ismailb@xxxxxxxxxxxxxxx>,si-list@xxxxxxxxxxxxx
- Date: Fri, 25 Oct 2002 09:13:38 -0600
Ismail,
in a current design I am powering three SpartanIIe cores (50e, 150e, 300e)
from an ltc3411 synch switcher(couldn't take the power loss of an LDO from
5V).
The power requirements for power-on and operating are fairly well described
by Xilinx in module 3 of the data sheet, XAPP 189, and their power
calculator that can be found on the web page.
Hope this helps
Tegan Campbell
-----Original Message-----
From: Ismail B - CTD, Chennai. [mailto:ismailb@xxxxxxxxxxxxxxx]
Sent: Friday, October 25, 2002 5:54 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] SPARTAN IIE Voltage regulator selection
Hello there!
I want to know if anyone used SPARTAN IIE FPGA in any of their design. It
seems that
the FPGA draws a high current during start up which appers almost like a
short circuit
I am in the process of selecting an appropriate Voltage regulator but not
sure how good
it will be. My worst fear is that once the Voltage regulator senses the high
current draw
it may shutdown. It will be of great help if anyone could provide the part
number/manfacturer
of Voltage regulator used in their earlier (working :) ) design.
Thanks,
Ismail
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