GENERAL DESCRIPTION

The patent-pending ACT8704 is a complete, cost-effective, highly-efficient ActivePMUTM power management solution that is ideal for a wide range of portable hand-held equipment. This device integrates two step-down DC/DC converters for processor core and I/O power, one step-up DC/DC converter with over-voltage protection (OVP) and a full-featured, linear-mode Li+ battery charger into a single, thin, space-saving package.

FEATURES

• Multiple Patents Pending

• Li+ Battery Charger with Integrated MOSFET

    − ON/OFF Control and Status Indication

• Three Integrated Regulators

    − 550mA PWM Step-Down DC/DC

    − 750mA PWM Step-Down DC/DC

    − Step-Up DC/DC with OVP for WLED Bias

• Minimal External Components

• 4x4mm, Thin-QFN (TQFN44-24) Package

    − Only 0.75mm Height

    − RoHS Compliant

APPLICATIONS

• Portable Devices and PDAs

• Digital Media Players

• Battery Operated Devices

• GPS Receivers, etc.