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TPS92630-Q1: Reg. Power Dissipation Calc.

Part Number: TPS92630-Q1

Hi,

As per the Datasheet of TPS92630, the Power dissipation of the IC is as given below. Pls help me understanding the I(VIN). should I consider the quiescent current to calculate the Pd??

If I consider Iq, then i get wrong value.

My requirement is to calculate the Pd for Vin = 12V, I(LED) = 50mA and all 8 channels are loaded with LEDs (3/channel), Vf(LED) = 2.5 V/LED. 

Pls revert at the earliest.