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LP3910 Power Management IC for Hard Drive Based Portable Media Players
ADVANCE INFORMATION
November 2006
LP3910 Power Management IC for Hard Drive Based Portable Media Players
General Description
The LP3910 is a programmable system power management unit that is optimized for HDD-based Portable Media Players. The LP3910 incorporates 2 low-dropout LDO voltage regulators, 2 integrated Buck DC/DC converters with Dynamic Voltage Scaling (DVS), 1 wide load range Buck-Boost DC/DC converter with programmable output voltage, a 4-channel 8bit A/D converter and a dual source Li-Ion/polymer battery charger. The charger has the capability to charge and maintain a single cell battery from a regulated wall adapter or USB power.