AP2301/AP2311

2.0A SINGLE CHANNEL CURRENT-LIMITED POWER

SWITCH

AP2301/AP2311

Document number: DS32241 Rev. 1 - 2

2 of 18

www.diodes.com

June 2010

© Diodes Incorporated

Typical Application Circuit

0.1uF

IN

GND

EN

OUT

ON

120uF

Power Supply

2.7V to 5.5V

0.1uF

OFF

FLG

Load

10k

Enable Active High

Available Options

Part Number

Channel

Enable pin

(EN)

Recommended

maximum continuous

load current (A)

Typical current

limit (A)

Package

AP2301

1

Active Low

2.0A

2.5A

SO-8

MSOP-8-EP

DFN3030E-8

AP2311

1

Active High

Pin Descriptions

Pin Name

Pin Number

Descriptions

GND

1

Ground

IN

2, 3

Voltage input pin; connect a 0.1µF or larger ceramic capacitor from IN to GND

as close as possible. (all IN pins must be tied together externally)

EN

4

Enable input, active low (AP2301) or active high (AP2311)

FLG

5

Over-temperature and over-current fault reporting with 7ms deglitch; active low

open-drain output. FLG is disabled for 7ms after turn-on.

OUT

6, 7

Voltage output pin (all OUT pins must be tied together externally)

NC

8

No internal connection; recommend tie to OUT pins

Exposed Pad

-

Recommend connecting to the GND externally for improved power dissipation