AP22919Q

Document number: DS46245 Rev. 2 - 2

2 of 16

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May 2024

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AP22919Q

Typical Applications Circuit

AP22919Q

IN

ON

GND

OUT

Power

Supply

CIN

COUT

ON OFF

Load

1.6 V ~ 5.5 V

QOD

RQOD

Pin Descriptions

Pin Name

Pin Number

Function

IN

1

Power Switch Input. Place bypass capacitor to GND.

OUT

6

Power Switch Output. Place bypass capacitor to GND.

ON

3

Active HIGH enable input. Do not leave floating.

QOD

5

Quick Output Discharge pin. The functionality can be used in one of the three ways.

(1)

Placing an external resistor between OUT and QOD.

(2)

Tying QOD directly to OUT and using the internal resistor value of RPD.

(3)

Disabling QOD by leaving the pin floating.

GND

2

Ground

NC

4

No connection pin. Leave floating.