LMG5126: Max power with heat sink

Part Number: LMG5126

Tool/software:

Hello team,

My customer want to know maximum power with heat sink. I understand it's strongly depend on their cooling system, but can you show as their reference? 

Condition 1: Vin: 12V, Vout: 40V, Fsw=480kHz
Condition 2: Vin: 12V, Vout: 24V, Fsw=480kHz

Regards,

Youhei MIYAOKA