Need a part to convert +24V to both +15V & -15V

DC-DC Power Converters
1

I need a Switching Regulator/DC-DC Converter which converts +24V to both +15V & -15V with output current more than or equal to 1A. Kindly suggest me parts with above specifications.

2

1A per output or 1A total 15W load or 30W load?

3

1A per output, total 15 or 30