LTC3554-3_15 Datasheet, PDF (35/36 Pages) Linear Technology – Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators

LTC3554/LTC3554-1/
LTC3554-2/LTC3554-3
Revision History
REV DATE DESCRIPTION
A 7/10 PD package information removed and UD package information added to data sheet
Update to Typical Application
LTC3554EUD added and LTC3554EPD designated Obsolete in Order Information section
Note 2 updated
Pin 21 description updated
Updated Related Parts
B 01/11 LTC3554-2 Option Added. Reflected throughout the data sheet
C 10/11 LTC3554-1 Option Added. Reflected throughout the data sheet
D 01/12 Corrected title on axis of graph G23
Updated Block Diagram
Added text to State Diagram/Operation section
E 08/12 Added new part number LTC3554-3
Added Options table
F 04/15 Changed θ_JA of package from 70°C/W to 58.7°C/W
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Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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