www.austriamicrosystems.com

Revision 1.13

2 - 16

AS7620

Datasheet - P i n A s s i g n m e n t s

4 Pin Assignments

Figure 2. Pin Assignments (Top View)

Pin Descriptions

Table 1. Pin Descriptions

Pin Name

Pin Number

Description

1

High Voltage Power Supply Input

GND

2

Must be connected to GND

LX

3

Power Output to Inductor

GND

4

Must be connected to GND

FB

5

Feedback input

ILIM

6

Current Limit input

SHDN

7

Shutdown input, active low

GND

8

Must be connected to GND

GND

9

Must be connected to GND

PF

10

Early Power Fail output, open drain, active LOW

VEPF

11

Comparator voltage input for early power fail warning

PG

12

Power Good, open drain, active HIGH output, monitors feedback voltage

PGND

Pad

Exposed pad. Connect to GND plane to help thermal dissipation

1

2

3

45

6

7

8

9

10

11

12

VIN

GND

LX

GND

GND

SHDN

AS7620

PGND