Pin configuration

ST1S30

4/11

Doc ID 17927 Rev 1

2

Pin configuration

Figure 2.

Pin connections (top view)

Table 2.

Pin description

Pin n°

Symbol

Name and function

1

FB

Feedback voltage

2

GND

System ground

3

SW

Switching pin

Power supply for analog circuit

8

INH/PG Inhibit (INH) for ST1S30IPUR or Power Good (PG) for ST1S30PUR

Exposed pad

GND

To be connected to PCB ground plane for optimal electrical and thermal

performance

4, 5

NC

Not internally connected. Can be connected to GND or left floating

ST1S30IPUR

ST1S30PUR