AP21410 / AP21510

Document number: DS37707 Rev. 2 - 2

2 of 14

www.diodes.com

June 2015

© Diodes Incorporated

AP21410 / AP21510

Available Options

Part Number

Channel

Enable Pin (EN)

Current Limit (Typical)

Recommended Maximum Continuous Load Current

AP21410

1

Active Low

0.4A

0.2A

AP21510

1

Active High

0.4A

0.2A

Pin Descriptions

Pin Number

Pin Name

Function

1

GND

Ground

2

IN

Voltage Input Pin (all IN pins must be tied together externally).

3

EN

Enable Input. Active Low (AP21410) and Active High (AP21510)

4

NC

No internal connection

5, 6

OUT

Voltage Output Pin (all OUT pins must be tied together externally).

Exposed

Pad

Exposed

Pad

Exposed Pad.

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

It should not be used as electrical ground conduction path.

Functional Block Diagram

AP21410, AP21510

Thermal

Sense

Driver

OUT

GND

IN

EN

UVLO

Current

Limit

Current

Sense