Download the LTC3554-1 datasheet PDF.
This datasheet also covers the LTC3554 variant, as both devices belong to the same micropower usb power manager family and are provided as variant models within a single manufacturer datasheet.
General Description
n 10μA 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 n Dual High Efficiency Step-Down Switching Regulators
(200mA IOUT) with Adjustable Output Voltages n Pushbutton On/Off Control w
Key Features
Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators.
Note: The manufacturer provides a single datasheet file (LTC3554_LinearDimensionsSemiconductor.pdf) that lists specifications for multiple related part numbers.
Full PDF Text Transcription for LTC3554-1 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
LTC3554-1. For precise diagrams, and layout, please refer to the original PDF.
LTC3554/LTC3554-1/ LTC3554-2/LTC3554-3 Features Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators Description n 10μA Standby Mode Quiescent Cu...
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Two Step-Down Regulators Description n 10μA 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 n Dual High Efficiency Step-Down Switching Regulators (200mA IOUT) with Adjustable Output Voltages n Pushbutton On/Off Control with System Reset n Reset Time: 5 sec (LTC3554/LTC3554-1), 14 sec (LTC3554-2/LTC3554-3) n Full Featured Li-Ion/Polymer Battery Charger n Programmable Charge Current with Thermal Limiting n Instant-On Operation with Discharged Battery n Battery Float Voltage: 4.2V (LTC3554/LTC3554-2/ LTC3554-3), 4.1
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LTC3554-1 Datasheet
