LTC3555 dc/dc equivalent, high efficiency usb power manager + triple step-down dc/dc.
Power Manager n High Efficiency Switching PowerPath™ Controller
with Bat-Track™ Adaptive Output Control n Programmable USB or Wall Current Limit
(100mA/500mA/1A) n Full F.
n HDD-Based MP3 Players, PDAs, GPS, PMPs n Portable Medical Products n Handheld Instrumentation n Other USB-Based Handhe.
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