AP1122

1A LOW DROPOUT POSITIVE REGULATOR

AP1122

Document number: DS31012 Rev. 9 - 2

1 of 11

www.diodes.com

May 2010

© Diodes Incorporated

Description

AP1122 is a low dropout positive fixed-mode regulator with

1A output current capability. The product is specifically

designed to provide well-regulated supply for low voltage IC

applications such as high-speed bus termination and low

current 1.2V logic supply. AP1122 is also well suited for other

applications such as VGA cards. AP1122 is guaranteed to

have lower than 1.3V dropout at full load current making it

ideal to provide well-regulated outputs of 1.2 output voltage

with 2.5V input voltage supply.

Applications

•

PC peripheral

•

Communication

Features

•

1.3V maximum dropout at full load current

•

Fixed 1.2V± 2% output voltage

•

Fast transient response

•

Output current limiting

•

Built-in thermal shutdown

•

Good noise rejection

•

Packages: SOT223-3L, TO252-3L, SOT89-3L, TO263-3L

and TO220-3L

•

SOT89-3L, SOT223-3L and TO252-3L: Available in

“Green” Molding Compound (No Br, Sb)

•

Lead Free Finish/ RoHS Compliant (Note 1)

Pin Assignments

GND

(Top View)

3

2

1

SOT223-3L

3

2

1

GND

(Top View)

TO252-3L/ TO263-3L

GND

1

3

2

(Top View)

SOT89-3L

3

2

1

GND

( Top View)

TO220-3L

Notes:

1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.