PD‐97663 4A Highly Integrated SupIRBuckTM Single‐Input Voltage, Synchronous Buck
Regulator -1-
IR3897
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 Enhanced Pre‐Bias Start‐Up Precisi...