Pin configuration

STOD13AM

6/25

Doc ID 023747 Rev 1

2

Pin configuration

Figure 3.

Pin configuration (top view)

Table 3.

Pin description

Pin

Pin n°

Description

1

Boost converter switching node

PGND

2

Power ground pin

3

Boost converter output voltage

FD

4

Fast discharge control pin. When pulled LOW, the fast discharge after

shutdown is active. When pulled HIGH, the fast discharge is OFF

AGND

5

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

6

Voltage reference output. 1 µF bypass capacitor must be connected

between this pin and AGND

7

Negative voltage setting pin

EN

8

Enable control pin. High = converter on; Low = converter in shutdown

mode

9

Inverting converter output voltage

10

Inverting converter switching node

11

Analogic input supply voltage

12

Power input supply voltage

Exposed

pad

Internally connected to AGND. Exposed pad must be connected to

ground layers in the PCB layout in order to guarantee proper operation of

the device