AT1391 Description
The AT1391 provides plete 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 Key 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
- Stand-by current max. 10µA
- Quiescent Current 1mA
AT1391 Applications
- Power Supply for portable devices