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Hmm. That's strange.	by Longfist	2014-12-31 07:35:09
For the Arduino supply, I'd use a DC/DC converter	by ttlogic	2015-01-01 07:35:47
Agreed on the DC/DC.	by OddParity	2015-01-01 11:13:46
If you prefer through-hole to surface-mount, I believe the LM2578A is still available as a through-hole 8 pin DIP. It uses a bipolar transistor for switching, so it probably runs a little hotter than the LM5575, which uses a MOSFET for switching. I also like the suggestion that pbarnrob made for a diode steered parallel 9V battery power in case of problems with the switching regulator. That's good insurance for the cost of two 1N5821 diodes and a battery clip.
[ Reply ]
Is 1 A enough? Recom model R-78C9.0-1.0	by OddParity	2015-01-01 15:22:46
The Arduino Uno likes 7-12V @ 1A	by Longfist	2015-01-01 22:27:23

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