Changes
==== MCP1725-ADJE/SN ====
* [[http://ww1.microchip.com/downloads/en/DeviceDoc/22026b.pdf]MCP1725-ADJE/SN]
* $0.56@1, $0.39@100
* Adjust with two resistors
==== SC195ULTRT ====
* [[http://www.semtech.com/images/datasheet/sc195.pdf]SC195ULTRT]
* $0.96@1, $0.555@100
* Adjust with logic input pins
==== NCP1521BSNT1G ====
* [[http://www.onsemi.com/pub_link/Collateral/NCP1521B-D.PDF]NCP1521BSNT1G]
* $0.92@1, $0.63@100
* Adjust with two resistors
