AP2132A

Document number: DS41214 Rev. 1 - 2

3 of 11

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July 2018

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AP2132A

Pin Descriptions

Pin Number

Pin Name

Function

1

PG

Assert high once VOUT reaches 92% of its rating voltage

2

EN

Enable input

3

VIN

Input voltage

4

VCTRL

Input voltage for controlling circuit

5

NC

Not connected

6

VOUT

Regulated output voltage

7

ADJ

Adjust output: when connected to ground, the output voltage is set by internal resistors; when external

feedback resistors are connected, the output voltage will be VOUT = 0.6V×(R1+R2)/R2.

8

GND

Ground

Functional Block Diagram

VOUT

GND

VREF

Error Amp

OCP

OTP

Bias

Enable

PGood

Switch

VIN

VCTRL

EN

PG

ADJ

3

2

1

4

6

7

8