GENERAL DESCRIPTION
The high efficiency boost converter section of the AAT1276 is typically set for a 5V output and can deliver up to 500mA load current to support USB VBUS operation from an input supply as low as 2.7V. The high boost converter switching frequency (up to 2.0MHz) provides fast load transient and allows the use of small external components. Fully integrated control circuitry simplifies system design and reduces total solution size. The integrated, programmable current limiting load switch provides USB port protection for portable devices allowing the AAT1276 to supply a 5V USB VBUS up to 500mA. The load switch provides an active low fault flag to alert the system in the event of an over-current condition applied to the AAT1276 output. The AAT1276 is available in the Pb-free, space-saving 12-pin TSOPJW and 16-pin TDFN34 packages and is rated over the -40°C to +85°C operating temperature range. Boost Converter with USB Power Switch FEATURES
● High Frequency Boost With 5V /...