AP2553AFDC-7 datasheet(2/16 Pages) DIODES

Part #	AP2553AFDC-7

Description	The AP2552/53and AP2552A/53A are single channel precision adjustable current-limited switches optimized for the applications...

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Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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2 / 16 page

AP2552/AP2553/AP2552A/AP2553A

Document number: DS35404 Rev. 5 - 2

2 of 16

www.diodes.com

December 2012

AP2552/ AP2553/ AP2552A/ AP2553A

Typical Applications Circuit

120µF Output Capacitance is a Requirement of USB

Available Options

Part Number

Channel

Enable Pin (EN)

Recommended Maximum

Continuous Load Current (A)

Current-Limit

Protection

Package

AP2552

1

Active Low

2.1

Constant-Current

U-DFN2020C-6

SOT26

AP2553

1

Active High

AP2552A

1

Active Low

2.1

Latch-Off

U-DFN2020C-6

SOT26

AP2553A

1

Active High

Pin Descriptions

Name

Pin Number

I/O

Function

AP2552W6-7 AP2553W6-7

AP2552FDCG-7 AP2553FDCG-7

IN

1

6

I

Input, connect a 0.1µF or greater ceramic capacitor from

IN to GND as close to IC as possible.

GND

2

5

—

Ground, connect to external exposed pad.

EN

3

—

4

—

I

Enable input, logic low turns on power switch.

EN

—

3

—

4

I

Enable input, logic high turns on power switch.

FAULT

4

3

O

Active-low open-drain output, asserted during over-

current, over-temperature, or reverse-voltage conditions.

ILIM

5

2

O

Use external resistor to set current-limit threshold;

recommended 10k

Ω≦RLIM≦232kΩ.

OUT

6

1

O

Output

Exposed

Pad

—

Pad

—

No internal connection; recommend to connect to GND

externally for improved power dissipation.

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AP2553AFDC-7 Datasheet(PDF) 2 Page - Diodes Incorporated

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