Pin configuration

STOD02

4/23

Doc ID 15245 Rev 3

2

Pin configuration

Figure 2.

Pin connections (top view)

Table 2.

Pin description

Pin n°

Symbol

Description

Switching node of the step up converter

2

PGND

Power ground pin

Step up converter output voltage

4

NC

Not connected

5

AGND

Signal ground pin. This pin must be connected to power ground pin

External voltage reference

7

S-wire

Negative voltage setting pin, uses S-wire protocol

8

EN

Inverting converter output voltage

10

Switching node of the inverting converter

11

Analog input supply voltage

12

Power input supply voltage

exposed

pad

Internally connected to AGND. Exposed pad must be connected to AGND and PGND in

the PCB layout in order to guarantee proper operation of the device.