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| Product Brief, 18-Dec-07 Advanced Information-All Information Subject to Change ACT8332 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 GENERAL DESCRIPTION The patent-pending ACT8332 is a complete, costefficient ActivePMUTM power management solution that is ideal for a wide range of portable handheld equipment. This device integrates a PWM stepdown DC/DC converter and two low-noise, lowdropout linear regulators (LDOs) into 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 ActivePMUTM 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. REG1's output is available in a variety of factory-preset output voltage, and an adjustable output voltage mode is also available. REG2 and REG3 are low noise LDOs that are available in a variety of fixed output voltage options and are each capable of supplying up to 360mA. The ACT8332 is available in a tiny 3mm x 3mm 10-pin Thin-DFN package that is just 0.75mm thin. * Independent Enable/Disable Control * Minimal External Components * 3x3mm, Thin-DFN (TDFN33-10) Package - Only 0.75mm Height - RoHS Compliant APPLICATIONS * Portable Devices and PDAs * MP3/MP4 Players * Wireless Handhelds * GPS Receivers SYSTEM BLOCK DIAGRAM Innovative Products. Active Solutions. ActivePMU TM -1- www.active-semi.com Copyright (c) 2007 Active-Semi, Inc. is a trademark of Active-Semi. Product Brief, 18-Dec-07 ACT8332 Capability 350mA 360mA PRODUCT OPTIONS Block REG1 REG2 REG3 Function Step-Down DC/DC LDO Output Voltage Adjustable, 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, or 3.3V 1.4V to 3.7V LDO 360mA : Output voltage options detailed in this table represent standard voltage options, and are available for samples or production orders. Contact Active-Semi for more information regarding semi-custom output voltage combinations. : Contact factory for additional available products or custom requirements. FUNCTIONAL BLOCK DIAGRAM Innovative Products. Active Solutions. -2- www.active-semi.com Copyright (c) 2007 Active-Semi, Inc. |
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