LM2599S-ADJ Adjustable DC/DC Controller, 1 Output, 3A, TO-263-7 Package
3A Adj Step-Down DC/DC Converter, 4.5-40V In, 1.23-37V Out, TO-263
Conv DC-DC 4.5V to 40V Step Down Single-Out 1.2V to 37V 3A 8-Pin(7+Tab) TO-263 Tube