IR3897 Overview
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 Compensated 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
