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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
Honored Contributor
