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Partname:LTC4057ES5-4.2
Description: Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT
Manufacturer:Linear Technology
Datasheet:PDF (149K).
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The LTC4057 is a constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. Its ThinSOTTM package and low external component count make the LTC4057 especially well suited for portable applications. Furthermore, the LTC4057 is specifically designed to work within USB power specifications.

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