GENERAL DESCRIPTION
The patent-pending ACT8770 is a complete, cost-effective, highly efficient ActivePMUTM integrated power management solution that is ideal for a wide range of portable handheld equipment. This device integrates two PWM step-down DC/DC converters, three low dropout linear regulators (LDOs) 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
    − Auto-Select Charge Current (AC or USB)
    − ON/OFF Control and Status Indication
• Five Integrated Regulators
    − 350mA PWM Step-Down DC/DC
    − 550mA PWM Step-Down DC/DC
    − 250mA High PSRR LDO
    − 250mA High PSRR LDO
    − 250mA High PSRR LDO
• 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.