AP3431 Description
The AP3431 is a high efficiency step-down DC-DC voltage converter. The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOS switchers. The oscillator and timing capacitors are all built-in providing an internal switching frequency of 1MHz that allows the use of small surface mount inductors and capacitors for portable product implementations.
AP3431 Key Features
- High Efficiency Buck Power Converter
- Output Current: 2A
- Low RDS(ON) Internal Switches : 120mΩ(VIN=5V)
- Adjustable Output Voltage from 0.8V to 0.9×VIN
- Wide Operating Voltage Range: 2.7V to 5.5V
- Built-in Power Switches for Synchronous
- Feedback Voltage: 800mV
- Switching Frequency: 1.0MHz
- Thermal Shutdown Protection
- Internal Soft Start