The AAT1276 SwitchReg is a 2MHz, 500mA synchronous boost converter with an integrated current-limiting load switch controlled output. The AAT1276 operates from a single-cell Lithium-ion/ polymer battery source and provides a regulated 5V, current limit controlled output to support USB port VBUS applications in portable consumer electronic products. The AAT1276 can support both USB 2.0 host port and USB on-the-go operation, as well asgeneral purpose applications where a 5V supply with a user programmable current limit is needed.
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