AP22653Q

Document number: DS42760 Rev. 4 - 2

2 of 13

www.diodes.com

September 2021

© Diodes Incorporated

AP22653Q

Typical Applications Circuit (Note 4)

Note:

4. 120µF Output Capacitance is a Requirement of USB.

Pin Descriptions

Pin Name

Pin Number

I/O

Function

IN

1

I

Input, connect a 0.1µF or greater ceramic capacitor from IN to GND as close to IC as possible.

GND

2

—

Ground, connect to external exposed pad.

EN

3

I

Enable input, logic high turns on power switch.

FAULT

4

O

Active-low open-drain output, asserted during overcurrent, overtemperature, or reverse-voltage

conditions.

ILIM

5

O

Use external resistor to set current-limit threshold; recommended 15kΩ ≦ RLIM ≦ 210kΩ

OUT

6

O

Voltage Output Pin, connect a 0.1μF bypass capacitor and a high-value capacitor to GND, close to

IC. (At least 10μF in USB application.)

Exposed Pad

—

—

Internal connection to GND; Connect to GND externally for improved power dissipation. It should

not be used as electrical ground conduction path.

Functional Block Diagram

Thermal

Sense

FAULT

OUT

GND

IN

EN

UVLO

Current

Limit

Current

Sense

Deglitch

Discharge

Control

Driver

Non

Latch off

ILIM

EN