AP2301/AP2311

Document number: DS32241 Rev. 4 - 2

2 of 18

www.diodes.com

March 2013

© Diodes Incorporated

AP2301/AP2311

Typical Applications 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

2A

2.5A

SO-8

MSOP-8

MSOP-8EP

U-DFN3030-8

U-DFN2020-6

AP2311

1

Active High

Pin Descriptions

Pin

Name

Pin Number

Function

SO-8,

MSOP-8

MSOP-8EP,

U-DFN3030-8

U-DFN2020-6

GND

1

1

2

Ground

IN

2, 3

2, 3

1

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

4

3

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

FLG

5

5

4

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

6, 7

5

Voltage Output Pin All OUT pins must be tied together externally.

NC

8

8

6

NC:

No Internal Connection; recommend tie to OUT pins

Exposed

Pad

—

Exposed

Pad

Exposed

Pad

Exposed pad.

It should be externally connected to GND and thermal mass for enhanced thermal

impedance. It should not be used as electrical ground conduction path.