AP2112

Document number: DS39724 Rev. 2 - 2

2 of 18

www.diodes.com

June 2017

© Diodes Incorporated

AP2112

AP2112

GND

VIN

CIN

VOUT

COUT

OFF

VEN

VIN

VOUT

1

mF

1.2V/1.8V/

2.5V/2.6V/

3.3V

1

mF

ON

Note 4:

It is recommended to use X7R or X5R dielectric capacitor if 1.0µF ceramic capacitor is selected as input/output capacitors.

Pin Descriptions

Pin Number

Pin Name

Function

SOT25

SOT89-5

SO-8

1

4

8

VIN

Input Voltage

2

2

6, 7

GND

GND

3

3 (R5)

5

EN

Chip Enable, H

– normal work, L – shutdown output

1 (R5A)

—

1 (R5)

2, 3, 4

NC

No Connection

3 (R5A)

5

5

1

VOUT

Output Voltage

Functional Block Diagram

Shutdown Logic

Thermal

Shutdown

Foldback

Current Limit

GND

EN

VOUT

VIN

3M



4(4){8}[1]

2(2){6,7}[2]

3(1){5}[3]

5(5){1}[5]

A (B){C}[D]

A: SOT89-5 (R5)

B: SOT89-5 (R5A)

C: SO-8

D: SOT25