DocID17785 Rev 3

5/22

STOD03A

Pin configuration

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2

Pin configuration

Figure 3. Pin configuration (top view)

Table 3. Pin description

Pin name

Pin number

Description

1

Switching node of the step-up converter

PGND

2

Power ground pin

3

Step-up converter output voltage (4.6V)

NC

4

Not internally connected

AGND

5

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

6

Voltage reference output. 1µF bypass capacitor must be connected between

this pin and AGND

7

Section 6.1.2

EN

8

shutdown mode

9

Inverting converter output voltage (Default -4.9V).

10

Switching node of the inverting converter

11

Analogic 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