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6A Highly Integrated SupIRBuckTM Single-Input Vo- l1ta-ge, Synchronous Buck Regulator
PD-97662
IR3898
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
Precision Reference Voltage (0.5V+/-0.
IR3898 Datasheet
