What is the maximum load possible without a heat sink

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A small buck converter has 24 V input and 12 V output. The transistot has Rds(on) = 0.1 Ohms. The diode is modelled as a 1 V drop. Each device has Rtheta(ja) = 40 K/W and Tjucntion < 150 Celsius. You may suggest a switching frequency.

What is the maximum load possible without a heat sink at 20 Celsius ambient?

Reference no: EM13256029

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