These chips will produce the dual supply rails needed by many ARM uCs:
- http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2410 - MAX8882, MAX8883
- http://www.necel.com/nesdis/image/G16444EJ2V0DS00.pdf - uPC37M31
- http://focus.ti.com/docs/prod/folders/print/tps60500.html - Not dual, but switching cap converters for high efficiency.
- http://www.linear-tech.com/prod/datasheet.html?datasheet=1003 - Dual buck switcher at 600 mA. VERY small DFN package, 3x3 mm. Under $3.
Inductors to use with switching converters
Sumida
All are high temp, 100C
- http://www.sumida.com/products/details.php?pos=1&prodid=9184&catid=102 - CDRH2D11 low profile, shielded coil, 3x3x1.2 mm.
- http://www.sumida.com/products/details.php?pos=2&prodid=9225&catid=4 - CDRH2D14 low profile, shielded coil, 3x3x1.55 mm.
- http://www.sumida.com/products/details.php?pos=4&prodid=9186&catid=102 - CDRH2D18LD low profile, shielded coil, 3x3x2 mm.
- http://www.sumida.com/products/details.php?pos=3&prodid=9226&catid=4 - CDRH2D18HP low profile, shielded coil, 3x3x2 mm.