AP7347DQ

Document number: DS42799 Rev. 5 - 2

2 of 18

www.diodes.com

July 2022

© Diodes Incorporated

AP7347DQ

Typical Applications Circuit

AP7347DQ

VIN

EN

GND

VOUT

VIN

VOUT

CIN

1

μF

COUT

1

μF

OFF

ON

Pin Descriptions

Pin Number

Pin Name

Function

SOT25 (Type A1)

DFN2020-6

(wettable)

1

6

VIN

Power Input Pin

2

3

GND

Ground

3

4

EN

Enable Pin

This pin should be driven either high or low and must not be floating. Driving this pin

high enables the regulator, while pulling it low puts the regulator into shutdown mode

4

2, 5

NC

No Connect

Not connected internally; recommended to connect to GND to maximize PCB copper

for thermal dissipation.

5

1

VOUT

Power Output Pin

-

EP

Expose Pad

In PCB layout, prefer to use large copper area to cover this pad for better thermal

dissipation, then connect this area to GND or leave it open. However, do not use it as

GND electrode function alone

Functional Block Diagram

GND

VOUT

VIN

EN

Current Limit

VREF

Thermal

Shutdown

AP7347DQ (With Discharge)