SSL21083AT

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© NXP B.V. 2013. All rights reserved.

Product data sheet

Rev. 6 — 4 October 2013

12 of 22

NXP Semiconductors

SSL21083AT

Compact non-dimmable LED driver IC

8.8 Heat sink

The copper of the PCB acts as the heat sink for SSL21083AT applications.

Equation 1 shows the relation between the maximum allowable power dissipation P and

the thermal resistance from junction to ambient.

(1)

Where:

P = power dissipation

R

th j

a

–



T

jmax



T

amb

–

 P



=