Description

High Frequency Synchronous Step-Down Voltage Mode DC/DC Controller Features: Wide VIN Range: 4.5V to 38V Line Feedforward Compensation Low Minimum On-Time: tON(MIN) < 30ns Powerful On-board MOSFET Drivers Leading Edge Modulation Voltage Mode Control ±0.75%, 0.6V Reference Voltage Accuracy Over Temperature VOUT Range: 0.6V to 0.8VIN Programmable, Cycle-by-Cycle Peak Current Limit Sense Resistor or RDS(ON) Current Sensing Programmable Soft-Start Synchronizable Fixed Frequency from 250kHz to 1MHz Selectable Pulse-Skipping or Forced Continuous Modes of Operation Low Shutdown Current: 14μA Typical Thermally Enhanced 16-Lead MSOP and 3mm × 3mm QFN Packages