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Altera_Forum's avatar
Altera_Forum
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13 years ago

Power schematic for Cyclone IV

Hi, i am designing a very simple development board and need some tips on Cyclone IV power design. The board will be used for learning purposes with simpled designes. It is not aimed for very fast dei...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

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Your answers regarding the usage of 1117 LDOs to power Cyclone IV seem to be controversial:

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I don't recall any controversy :)

Most people just drop linear regulators onto a board and hope-for-the-best.

I design my power supplies very carefully, simulate them, perform transient response tests, use a frequency response analyzer to measure their gain, and use a programmable load tester to measure efficiency.

Based on that, who would you take advice from?

http://www.ovro.caltech.edu/~dwh/wbsddc/power_supply_design.pdf

http://www.ovro.caltech.edu/~dwh/wbsddc/ts4_power.pdf

Cheers,

Dave