LINEAR TECHNOLOGY LTC3557/LTC3557-1 Manual

Update: 28 September, 2023

The LTC3557/LTC3557-1 is a highly integrated power management and battery charger IC for single cell Li-Ion/ Polymer battery applications. It includes a PowerPathTM manager with automatic load prioritization, a battery charger, an ideal diode and numerous internal protection features. Designed specifically for USB applications, the LTC3557/LTC3557-1 power manager automatically limits input current to a maximum of either 100mA or 500mA for USB applications or 1A for wall adapter powered applications. Battery charge current is automatically reduced such that the sum of the load current and the charge current does not exceed the programmed input current limit. The LTC3557/LTC3557-1 also includes three adjustable synchronous step-down switching regulators and a high voltage buck regulator output controller with Bat-Track that allows efficient charging from supplies as high as 38V. The LTC3557/LTC3557-1 is available in a low profile 4mm × 4mm × 0.75mm 28-pin QFN package.

Brand: LINEAR

File format: PDF

Size: 314 KB

MD5 Checksum: 5AAE75A6E46AFFB6801CCBBCD22602BD

Publication date: 08 May, 2012

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PDF Link: LINEAR TECHNOLOGY LTC3557/LTC3557-1 Manual PDF

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