IR3898 Description
6A Highly Integrated SupIRBuckTM Single-Input Vo- l1ta-ge, Synchronous Buck Regulator PD-97662 IR3898.
IR3898 Key Features
- Single 5V to 21V application
- Wide Input Voltage Range from 1.0V to 21V with external Vcc
- Output Voltage Range: 0.5V to 0.86× Vin
- Enhanced Line/Load Regulation with Feed-Forward
- Programmable Switching Frequency up to 1.5MHz
- Internal Digital Soft-Start/Soft-Stop
- Enable input with Voltage Monitoring Capability
- Thermally pensated Current Limit with robust hiccup mode over current protection
- Smart Internal LDO to improve light load and full load efficiency
- External Synchronization with Smooth Clocking