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ACT8332 Datasheet Preview

ACT8332 Datasheet

Three Channel Integrated Power Management IC

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ACT8332 pdf
ACT8332
Rev0, 14-Mar-08
Three Channel Integrated Power Management IC
for Handheld Portable Equipment
FEATURES
Multiple Patents Pending
Three Integrated Regulators
350mA PWM Step-Down DC/DC
360mA Low Noise LDO
360mA Low Noise LDO
Independent Enable/Disable Control
Minimal External Components
3×3mm, Thin-DFN (TDFN33-10) Package
Only 0.75mm Height
RoHS Compliant
APPLICATIONS
Portable Devices and PDAs
MP3/MP4 Players
Wireless Handhelds
GPS Receivers, etc.
GENERAL DESCRIPTION
The patent-pending ACT8332 is a complete, cost
effective, highly-efficient ActivePMUTM power man-
agement solution that is ideal for a wide range of
portable handheld equipment. This device inte-
grates one PWM step-down DC/DC converter and
two low noise, low dropout linear regulators (LDOs)
in a single, thin, space-saving package. This device
is ideal for a wide range of portable handheld
equipment that can benefit from the advantages of
ActivePMU technology but does not require a high
level of integration.
REG1 is a fixed-frequency, current-mode PWM
step-down DC/DC converter that is optimized for
high efficiency and is capable of supplying up to
350mA output current. REG1’s output is available in
a variety of factory-preset output voltage options,
and an adjustable output voltage mode is also avail-
able. REG2, REG3 are low noise, high PSRR linear
regulators that are capable of supplying up to
360mA, and 360mA, respectively.
The ACT8332 is available in a tiny 3mm × 3mm
10-pin Thin-DFN package that is just 0.75mm thin.
www.DaStaSYheSetT4UE.cMom BLOCK DIAGRAM
Battery
ON1
ON3
System
Control
ACT8332
PMUActive
TM
REG1
Step-Down
DC/DC
REG2
LDO
REG3
LDO
OUT1
Adjustable, or
1.2V to 3.3V
Up to 350mA
OUT2
1.4V to 3.7V
Up to 360mA
OUT3
1.4V to 3.7V
Up to 360mA
Pb
Pb-free
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-1-
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.



Active-Semi
Active-Semi

ACT8332 Datasheet Preview

ACT8332 Datasheet

Three Channel Integrated Power Management IC

No Preview Available !

ACT8332 pdf
FUNCTIONAL BLOCK DIAGRAM
ACT8332
Rev0, 14-Mar-08
Active-Semi
ACT8332
ON1
UVLO
ON3
REG2
LDO
GA
REG3
LDO
VP1
To Battery
SW1
FB1
GP1
INL
OUT1
To Battery or OUT1
OUT2
OUT3
www.DataSheet4U.com
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
-2-
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.


Part Number ACT8332
Description Three Channel Integrated Power Management IC
Maker Active-Semi
Total Page 13 Pages
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