APU3048M A-POWER [Advanced Power Electronics Corp.], APU3048M Datasheet

APU3048M

Manufacturer Part Number

APU3048M

Description

DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER

Manufacturer

A-POWER [Advanced Power Electronics Corp.]

Datasheet

1.APU3048M.pdf (17 pages)

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FEATURES

APPLICATIONS

TYPICAL APPLICATION

PACKAGE ORDER INFORMATION

Data and specifications subject to change without notice.

12V

3.3V

OUT3

Dual Synchronous Controller in 16-Pin Package

with 1808 out-of-phase operation

LDO Controller with 40mA drive

Configured as 2-Independent PWM Controller

Flexible, Same or Separate Supply Operation

Operation from 4V to 25V Input

Internal 200KHz Oscillator

Soft-Start controls all outputs

Fixed Frequency Voltage Mode

500mA Peak Output Drive Capability

Programmable Outputs

RoHS Compliant

DDR Memory Source Sink Vtt Application

Graphic Card

Hard Disk Drive

Power supplies requiring multiple outputs

Figure 1 - Typical application of APU3048 configured as 2-independent converter.

0 To 70

(°C)

DUAL SYNCHRONOUS PWM CONTROLLER

APU3048O

APU3048M

Comp1

Comp2

Vcc

Fb3

OUT3

DEVICE

APU3048

VcH1

CIRCUITRY AND LDO CONTROLLER

VcH2

HDrv2

HDrv1

LDrv2

LDrv1

PGnd

Gnd

Fb1

Fb2

DESCRIPTION

The APU3048 IC combines a Dual synchronous Buck

controller and a linear regulator controller, providing a

cost-effective, high performance and flexible solution for

multi-output applications. The Dual synchronous con-

troller is configured as 2-independent PWM controller.

APU3048 provides a separate adjustable output by driv-

ing a switch as a linear regulator. This device features an

internal 200KHz oscillator, under-voltage lockout for all

input supplies, an external programmable soft start func-

tion as well as output under-voltage detection that latches

off the device when an output short is detected.

Technology Licensed from International Rectifier

1N4148

16-Pin SOIC NB

1N4148

16-Pin TSSOP

PACKAGE

PRELIMINARY DATA SHEET

APU3048

200806093

OUT1

OUT2

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