MILPITAS, CA – September 22, 2009 – Linear Technology Corporation introduces the LTC3553, a micropower multifunction power management integrated circuit (PMIC) solution for portable applications based on Li-Ion/Polymer batteries. The LTC3553 integrates a USB-compatible linear PowerPath™ manager, a standalone battery charger, a high efficiency synchronous buck regulator, a low dropout linear regulator and push button controller in an ultra-thin (0.55mm) 3mm x 3mm QFN package. A pin-selectable standby mode reduces battery drain current to only 12uA while keeping all outputs in regulation, extending battery operating time. The LTC3553 is ideal for low power portable device applications including personal navigation devices (PNDs), media players, and handheld medical and industrial equipment.
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