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LTC3553-2

Linear
Part Number LTC3553-2
Manufacturer Linear
Description Micropower USB Power Manager
Published Mar 20, 2016
Detailed Description LTC3553-2 FEATURES Micropower USB Power Manager with Li-Ion Charger, Always-On LDO and Buck Regulator DESCRIPTION n 1...
Datasheet PDF File LTC3553-2 PDF File

LTC3553-2
LTC3553-2

Overview
LTC3553-2 FEATURES Micropower USB Power Manager with Li-Ion Charger, Always-On LDO and Buck Regulator DESCRIPTION n 12μA Standby Mode Quiescent Current (All Outputs On) n Seamless Transition Between Input Power Sources: Li-Ion/Polymer Battery and USB n 240mΩ Internal Ideal Diode Provides Low Loss PowerPath™ n High Efficiency 200mA Buck Regulator n Always-On 150mA Low Dropout (LDO) Linear Regulator n Pushbutton On/Off Control With System Reset n Full Featured Li-Ion/Polymer Battery Charger n Programmable Charge Current With Thermal Limiting n Instant-On Operation With Discharged Battery n 3mm × 3mm × 0.
75mm 20-Pin QFN Package APPLICATIONS n USB-Based Handheld Products n Portable Li-Ion/Polymer Based Electronic Devices n Wearable Electronics n Low Power Medical Devices The LTC®3553-2 is a micropower, highly integrated power management and battery charger IC for single-cell Li-Ion/Polymer battery applications.
It includes a PowerPath manager with automatic load prioritization, a batter...


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