AP7311

150mA, Low Quiescent Current, Fast Transient

Low Dropout Linear Regulator

AP7311 Rev. 2

3 of 13

NOVEMBER 2009

www.diodes.com

Pin Assignment

(1) SOT25 (Fixed Output)

(2) SOT25 (Adj Output)

IN

EN

OUT

( Top View )

5

3

2

1

GND

NC

4

IN

EN

OUT

( Top View )

5

3

2

1

GND

ADJ

4

Pin Descriptions

Pin Name

Pin Number

Description

SOT25

(fixed)

SOT25

(adj)

IN

1

1

Voltage input pin. Bypass to ground through at least 1µF capacitor

GND

2

2

Ground

EN

3

3

Enable input, active high

ADJ

-

4

Output feedback pin

NC

4

-

No connection

OUT

5

5

Voltage output pin. Bypass to ground through 1µF ceramic

capacitor