Pin configuration

STOD30

2/8

DocID025751 Rev 1

1

Pin configuration

Figure 1. Pin configuration (top view)

Table 2. Pin description

Pin

Pin name

Description

1

VINP

Power input voltage pin

2

VO3

Aux. step-up output voltage pin

3

LX3

Aux. step-up switching pin

4

PGND2

Power ground

5

PGND1

Power ground

6

LX1

Step-up switching pin

7

VO1

Step-up output voltage pin

8

FBS

Feedback sense

9

AGND

Analog Ground

10

VINA

Analog input voltage pin

11

VREF

Reference voltage pin

12

SEL_VO3

Aux. step-up output voltage select pin

13

SWIRE

SWIRE pin

14

EN_VO3

Aux. step-up enable pin

15

NC

Not connected

16

FD

Fast Discharge configuration pin

17

VO2

Inverter output voltage pin

18

LX2

Inverter switching pin

EXPPAD

To guarantee proper operation of the device exposed pad must be

connected to ground layers on the PCB