GENERAL DESCRIPTION
The patent-pending ACT5830 is a complete, integrated power management solution that is ideal for mid-high and mobile phones. This device integrates a linear Li+ battery charger with an internal power MOSFET, a high efficiency 350mA DC/DC converter, eight low dropout linear regulators, a reset output, and two N-Channel open drain switches, and an I2C Serial Interface to achieve flexibility for programming LDO outputs and individual on/off control.
   
FEATURES
• Multiple Patents Pending
• 350mA, PWM Step-Down DC/DC Converter
• Eight I2C-Programmable, Low Noise LDOs
    − Three Optimized for RF Section Power
    − Five Optimized for BB Section Power
• Li+ Battery Charger with Integrated MOSFET
    − Charger Current Monitor Output (VICHG)
    − Charger ON/OFF Control Pin
• Two N-channel Open Drain Switches
• Minimal External Components
• I2CTM Serial Interface
    − Configurable Operating Modes
• AC-OK and RESET Outputs
• 5×5mm, Thin-QFN (TQFN55-40) Package
    − Only 0.75mm Height
    − RoHS Compliant
   
APPLICATIONS
• GSM or CDMA Mobile Phones