AT1391 Datasheet (Aimtron Technology) - 1-Channel Step-Down PWM Controller

AT1391, 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.

AT1391 Features

* High efficiency

* Using external P channel MOSFET

* Maximum Duty 100%

* Oscillation frequency 600KHz

* Soft Start by an external capacity

* Output voltage accuracy ±2%

* Built-in ON/OFF Function

* Built-in Short-circuit Protection