Innovative Power

TM

- 1 -

www.active-semi.com

Copyright © 2008 Active-Semi, Inc.

ActivePMU

ACT6330

Dual PWM Step-Up DC/DCs in TQFN33

SYSTEM BLOCK DIAGRAM

FEATURES

− REG1: PWM Step-Up DC/DC with OVP for

WLED Bias

− REG2: PWM Step-Up DC/DC Converter with

OVP

− Only 0.75mm Height

− RoHS Compliant

APPLICATIONS

GENERAL DESCRIPTION

The patent-pending ACT6330 integrates two step-

up DC/DCs into a single, thin, space-saving pack-

age to provide a cost-effective, highly-efficient

ActivePMU

device is ideal for a wide range of portable hand-

held equipment that can benefit from the advan-

tages of ActivePMU technology but does not re-

quire a high level of integration.

REG1 and REG2 are fixed-frequency, current-mode

PWM step-up DC/DC converters. REG1 is opti-

mized for high-efficiency WLED bias applications.

REG2 is optimized for voltage regulation applica-

tions, while together these outputs can provide a

complete TFT bias and backlighting solution for

portable handheld equipment.

The ACT6330 is available in a tiny 3mm x 3mm

16-pin Thin-QFN package that is just 0.75mm thin.

ON2

OUT1

WLED Bias

Up to 18 LEDs

OUT2

Up to 20V

ON1

REG2

Step-Up

DC/DC

REG1

Step-Up

DC/DC

System

Control

Battery

ACT6330

TM

PMU

PMU

Active

Product Brief, 02-Apr-08

Advanced Information―All Information Subject to Change