TPSM63606: Whether it can be used produce -15vdc from a 12 v input. If possible, where can I find design tool for -ve output. and example schematic.

TPSM63602, Whether it can be used produce -15vdc from a 12 v input.  If possible, where can I find design tool for -ve output. and example schematic.

The Webench design tool is not allowing any -ve output to be choosen. kindly help me.