AP2210

Document number: DS37517 Rev. 4 - 2

3 of 30

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March 2021

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AP2210

Pin Descriptions

Pin Number

Pin Name

Function

SOT23-3

SOT23-5

1

2

GND

Ground

2

5

VOUT

Regulated output voltage

3

1

VIN

Input voltage

–

3

EN

Enable input: CMOS or TTL compatible input. Logic high=enable, logic low=shutdown

–

4

BYP/ADJ

Bypass capacitor for low noise operation/Adjustable Output

Functional Block Diagram

Fixed Version

ADJ Version (For SOT-23-5)

+

-

Bandgap

Ref.

Current Limit

Thermal Shutdown

VIN

BYP

EN

GND

VOUT

3(1)

(4)

(3)

2(5)

1(2)

A(B)

A for SOT-23-3

B for SOT-23-5

+

-

Bandgap

Ref.

Current Limit

Thermal Shutdown

VIN

ADJ

EN

GND

VOUT

1

2

5

4

3