Copyright

© ANPEC Electronics Corp.

Rev. A.1 - Dec., 2016

APW7252

www.anpec.com.tw

1

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and

advise customers to obtain the latest version of relevant information to verify before placing orders.

High Efficiency Power Supply for Small Size Display

Features

General Description

•

Two Outputs:

-+5V (APW7252A)

-+5.2V (APW7252B)

•

Wide Input Voltage from 2.5V to 5.5V

•

>82% Efficiency with 12mA Load Between OUTP

and OUTN

•

Fully Integrated MOSFETs for Synchronous

Rectification

•

Integrated Compensation and Feedback Circuits

•

•

1uA Shutdown Supply Current

•

Programmable Active Discharge

•

WLCSP1.92x1.28-15 Package

•

Lead Free Green Devices Available (RoHS

Compliant)

The APW7252 is boost architecture IC and the major pro-

viding to positive and negative voltage output driven. The

APW7252 is synchronize boost IC and also synchronize

charge pump output driven. The APW7252 has simply

circuit application, only providing input supply

¡Boutput

supply

¡Bpositive voltage and negative voltage capacitor.

That

¡¦s advantage cost, cheap and simple scheme. The

APW 7252 is available in W LCSP 1.92x1.28-15 ball

Packages.

Applications

•

Smart Phone

•

Portable Device

Simplified Application Circuit

CFLY1

VIN

SW

2.5V~5.5V

Input

4.7µF

2.2

µH

PGND

CFLY2

OUTN

4.7

µF

REG

2.2

µF

4.7

µF

4V~6V

Output

4.7

µF

OUTP

APW7252

ENN

ENP

SCL

SDA

I

control

Enable/

Disable

-4V~-6V

Output

AGND