ACT8325 Dual Step-Down DC/DCs TDFN33 FEATURES Multiple Paten
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Product Brief, 16-Nov-07 Advanced Information-All Information Subject Change
ACT8325
Dual Step-Down DC/DCs TDFN33 FEATURES
Multiple Patents Pending Integrated Step-Down DC/DC Converters
REG1: 350mA REG2: 550mA
GENERAL DESCRIPTION
patent-pending ACT8325 integrates stepdown DC/DCs into single, thin, space-saving package provide cost-effective, highly-efficient ActivePMUpower management solution. This device ideal wide range portable handheld equipment that benefit from advantages ActivePMU technology require high level integration. REG1 REG2 fixed-frequency, current-mode step-down DC/DC converters that optimized high efficiency capable supplying 350mA 550mA, respectively. Both outputs available wide range factorypreset output voltage options, adjustable output voltage mode also available. ACT8325 available tiny 10-pin Thin-DFN package that just 0.75mm thin.
180° Out-of-Phase Operation
Reduces Input Capacitor Requirements
Fixed Adjustable Output Voltage Options Independent Enable/Disable Control Minimal External Components 3x3mm, Thin-DFN (TDFN33-10) Package
Only 0.75mm Height RoHS-Compliant
APPLICATIONS
Portable Devices PDAs MP3/MP4 Players Wireless Handhelds Receivers
SYSTEM BLOCK DIAGRAM
Innovative Products. Active Solutions.
ActivePMU
www.active-semi.com Copyright 2007 Active-Semi, Inc.
trademark Active-Semi.
Product Brief, 16-Nov-07
ACT8325
PRODUCT OPTIONS
Block
REG1 REG2
Function
Step-Down DC/DC Step-Down DC/DC
Output Voltage
Adjustable, 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V
Capability
350mA 550mA
Output voltage options detailed this table represent standard voltage options, available samples production orders. Contact Active-Semi more information regarding semi-custom output voltage combinations. Contact factory additional available products custom requirements.
FUNCTIONAL BLOCK DIAGRAM
ACT8325
UVLO REG1
Battery
OUT1 GP12
Battery
REG2
GP12
OUT2
Innovative Products. Active Solutions.
www.active-semi.com Copyright 2007 Active-Semi, Inc.
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