IR3447 Description
The IR3447 SupIRBuckTM is an easy-to-use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs make IR3447 a space-efficient solution, providing accurate power delivery for low output voltage and high current applications. IR3447 is a versatile regulator which offers programmability of switching frequency and current limit while operating in wide input and output voltage...
IR3447 Key Features
- Single 5V to 21V application
- Wide Input Voltage Range from 1.5V to 21V with external Vcc
- Output Voltage Range: 0.6V to 0.86-PVin
- 0.5% accurate Reference Voltage
- Enhanced line/load regulation with Feed-Forward
- Programmable Switching Frequency up to 1.5MHz
- Internal Digital Soft-Start
- Enable input with Voltage Monitoring Capability
- Remote Sense Amplifier with True Differential Voltage Sensing
- Thermally pensated current limit and Hiccup Mode Over Current Protection