temperatures where condensation can occur. Printed-circuit coatings and varnishes such as HUMISEAL® and

epoxy paints or dips are often used to verify that moisture cannot corrode the device or the connections.

8.5.2 Layout Example

1

+V

S

V

O

GND

Via to ground plane

Via to power plane

2

3

Figure 8-8. PCB Layout

1/2in, square printed-circuit board with 2oz foil or similar

Figure 8-9. Printed-Circuit Board Used for Heat Sink to Generate Thermal Response Curves (Legacy

chip)

LM50

SNIS118H – JULY 1999 – REVISED MAY 2025

www.ti.com

16

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