iPad Rehab Microsoldering

LT3470AED / U7090 / U6990 Buck Regulator Controller IC

$3.89

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This is the PP3V42_G3H regulator IC for many model Macbooks. It turns either 18v, 16v, 12v, or 8v into 3.42v. It commonly dies on Macbook Airs and the 820-2879 macbook Pro because it is on the edge, where water most commonly seeps in.

U6990 on older Macbook Airs & Retinas

U7090 on 2013-2016 Macbook Airs & Retinas

QFN - 8 Pin