AP2213

Document number: DS42665 Rev. 3 - 2

2 of 22

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September 2020

© Diodes Incorporated

AP2213

Typical Applications Circuit (Note 4)

BYP

100pF

EN

GND

AP2213-2.5

VIN=3.5V

VOUT=2.5V

2.2

µF

1

µF

VIN

VIN

VOUT

VOUT

COUT

CBYP

CIN

Notes:

4. Dropout voltage is 350mV when TA = +25°C. In order to obtain a normal output voltage, VOUT+0.35V is the minimum input voltage which will result in a

low PSRR, imposing a bad influence on system. Therefore, the recommended input voltage is VOUT+1V to 18V. For AP2213-2.5 version, its input voltage

can be set from 3.5V(VOUT+1V) to 18V.

Pin Descriptions

Pin Number

Pin Name

Function

TO-252-2 (3)

SOIC-8

SOT-223

3

3

2

VOUT

Regulated output voltage

2

5, 6, 7, 8

1

GND

Ground

1

2

3

VIN

Input Voltage

—

1

—

EN

Enable input: CMOS or TTL compatible input. Logic high =

enable, logic low = shutdown

—

4

—

BYP

Bypass capacitor for low noise operation

Functional Block Diagram

A (B) [C]

A for TO-252-2 (3)

B for SOIC-8

C for SOT-223

+

-

Bandgap

Ref.

Current Limit

Thermal Shutdown

VIN

BYP

EN

GND

VOUT

1 (2) [3]

3 (3) [2]

(4)

(1)

2 (5, 6, 7, 8) [1]