Copyright

© ANPEC Electronics Corp.

Rev. A.4 - Sep., 2009

APL5930

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.

3A, Ultra Low Dropout (0.23V Typical) Linear Regulator

Features

•

Compatible with APL5913

•

Ultra Low Dropout

- 0.23V(typical) at 3A Output Current

•

Low ESR Output Capacitor (Multi-layer

Chip Capacitors (MLCC)) Applicable

•

0.8V Reference Voltage

•

High Output Accuracy

- ±1.5% over Line, Load, and Temperature Range

•

Fast Transient Response

•

Adjustable Output Voltage

•

Power-On-Reset Monitoring on Both VCNTL and

VIN Pins

•

Internal Soft-Start

•

Current-Limit and Short Current-Limit Protections

•

Shutdown/Enable Control Function

(RoHS Compliant)

Applications

General Description

The APL5930 is a 3A ultra low dropout linear regulator.

The IC needs two supply voltages, one is a control voltage

(V

voltage (V

pation and provide extremely low dropout voltage.

The APL5930 integrates many functions. A Power-On-

Reset (POR) circuit monitors both supply voltages on

VCNTL and VIN pins to prevent erroneous operations.

The functions of thermal shutdown and current-limit pro-

tect the device against thermal and current over-loads. A

POK indicates the output voltage status with a delay time

set internally. It can control other converter for power

sequence. The APL5930 can be enabled by other power

systems. Pulling and holding the EN voltage below 0.4V

shuts off the output.

The APL5930 is available in a SOP-8P package which

features small size as SOP-8 and an Exposed Pad to

reduce the junction-to-case resistance to extend power

range of applications.

•

Front Side Bus VTT (1.2V/3A)

•

Note Book PC Applications

•

Motherboard Applications

Simplified Application Circuit

Pin Configuration

= Exposed Pad

(connected to VIN plane for better heat dissipation)

GND

FB

VOUT

1

2

3

4

EN

POK

VCNTL

VIN

8

7

6

5

SOP-8P (Top View)

VOUT

V

CNTL

V

OUT

V

IN

GND

VOUT

VCNTL

POK

VIN

EN

Enable

EN

POK

APL5930

FB

Optional