Pin Descriptions

Pin Configuration

SOP-8

TSSOP-8

MSOP-8

(Top View)

IN

OUT

OUT

NC

EN (EN)

FLG

GND

NC

1

2

3

4

8

7

6

5

Pin #

Symbol

Function

1

EN (EN)

Enable input: logic-compatible enable input. High input > 2.1V typical. Low

input < 1.9V typical. Active high or active low option available; see

Ordering Information for details.

2

FLG

Fault flag output: active-low, open-drain output. Indicates over-current,

UVLO, and thermal shutdown.

3

GND

Ground.

4,5

NC

Not internally connected.

6,8

OUT

Switch output: These pins are the P-channel MOSFET drain connection.

7

IN

Supply input: This pin is the P-channel MOSFET source connection. Also

supplies the IC's internal circuitry.

AAT4625

USB Single-Channel Power Switch

2

4625.2006.04.1.2