Hi, the datasheet for LT3518 specifies Theta-JC for the TSSOP package, but not for the QFN package. Can someone tell me what is the thermal resistance from junction to the exposed thermal pad? Thanks!
LT3518
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The LT3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs. The LT3518 operates as a LED driver...
Datasheet
LT3518 on Analog.com
Hi, the datasheet for LT3518 specifies Theta-JC for the TSSOP package, but not for the QFN package. Can someone tell me what is the thermal resistance from junction to the exposed thermal pad? Thanks!
Please refer to this document:
https://www.analog.com/media/en/package-pcb-resources/package/thermal-table.pdf
Please refer to this document:
https://www.analog.com/media/en/package-pcb-resources/package/thermal-table.pdf
For LT3518, the thermal resistance is shown at below