AOZ1021

Rev. 1.1 November 2007

www.aosmd.com

Page 2 of 15

Ordering Information

All AOS Products are offering in packaging with Pb-free plating and compliant to RoHS standards.

Pin Configuration

Pin Description

Part Number

Ambient Temperature Range

Package

Environmental

AOZ1021AI

-40°C to +85°C

SO-8

RoHS

LX

LX

EN

COMP

1

2

3

4

PGND

VIN

AGND

FB

SO-8

(Top View)

8

7

6

5

Pin Number

Pin Name

Pin Function

1

PGND

Power ground. Electrically needs to be connected to AGND.

3AGND

Reference connection for controller section. Also used as thermal connection for controller section.

Electrically needs to be connected to PGND.

4FB

The FB pin is used to determine the output voltage via a resistor divider between the output and

GND.

5

COMP

External loop compensation pin.

6EN

7, 8

LX

PWM outputs connection to inductor.