1- Channel Step-Down PWM Controller

The AT1391 provides complete control and protection for a DC/DC converter optimized for high-performance Microprocessor applications. It is designed to drive one P-Channel in a buck topology. The AT1391 integrates all of the control, output adjustment, and protection functions into a single package. The output voltage of the converter CAN be precisely regulated with a maximum tolerance of 2% over temperature and line voltage variations. The AT1391 is a family of low-noise Step-down DC/DC converters that is ideally suited for systems powered from a 1-cell Li-ion battery or from a 3-cell to 4-cell NiCd, NiMH, or alkaline battery. It CAN also be used to USB-Based power system. By Aimtron Technology
AT1391 's PackagesAT1391 's pdf datasheet

AT1391 Pinout, Pinouts
AT1391 pinout,Pin out
This is one package pinout of AT1391,If you need more pinouts please download AT1391's pdf datasheet.

AT1391 Application circuits
AT1391 circuits
This is one application circuit of AT1391,If you need more circuits,please download AT1391's pdf datasheet.

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