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LM117HV: Regulator Overheating when no load with little change in voltage

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Part Number: LM117HV

I am designing a circuit where the voltage is regulated from 15V to 9.15V. However, it overheats when there is no load for the regulator. And, even when I set the input close to the desired output input set at 13V. The regulator is overheating. R1 is set at around 100 ohms while R2 is set at 15 ohms. I don't have much experience with this and would appreciate it if someone can help explain what is happening. This is for LM117H


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