AP1116

0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev. 1.0 Aug.27, 2004

1/5

Features

•

1.3V maximum dropout at full load current

•

Fast transient response

•

Output current limiting

•

Built-in thermal shutdown

•

Packages: SOT89

•

Good noise rejection

•

3-Terminal Adjustable or Fixed 1.5V / 1.8V / 2.5V

/ 3.3V / 5.0V

Applications

•

PC peripheral

•

Communication

General Description

AP1116 is a low dropout positive adjustable or

fixed-mode regulator with minimum of 0.5A 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 3.3V logic supply.

AP1116 is also well suited for other applications

such as VGA cards. AP1116 is guaranteed to have

<1.3V dropout at full load current making it ideal to

provide well regulated outputs of 1.25V to 5V with

up to 18V input supply.

Ordering Information

AP 1116 X XX X X

Low Dropout Regulator

Package

Vout

Y : SOT89-3L

Blank : ADJ

15 : 1.5V

18 : 1.8V

25 : 2.5V

33 : 3.3V

50 : 5.0V

Packing

Blank : Tube

A : Taping

Lead Free

Blank : Normal

L : Lead Free Package

Typical Circuit

C2

100uF

5V

3.3V/

0.5A

Tab is Vout

Vin

Vout

GND

C1

100uF

( 5V/3.3V fixed output )

R1

121Ω

R2

121Ω

C2

100uF

5V

2.5V/

0.5A

Tab is Vout

Vin

Vout

Adj

C1

100uF

o

V

( 5V/2.5V ADJ output )

)

1

2

REF

o

R

R

(1

V

V

+

∗

=

Note: