Description

High Speed Dual, Multiphase Step-Down DC/DC Controller Features: Fixed Frequency, Peak Current Mode Control ±0.5% Output Accuracy Over Temperature Optimized for Low VOUT Applications (Up to 3.3V) Dual or Single Output, Multiphase Operation Wide VIN Range: 4.5V to 30V Operation High Speed Differential Remote Sense Amplifier Inductor DCR or Sense Resistor Capable Adjustable Peak Current Sense Voltage: 24mV to 85mV Very Low Duty Cycle Operation: tON(MIN) = 65ns (Typ) Powerful Internal Gate Drivers Output Voltage Soft-Start, Tracking and Sequencing Programmable Load Line for Reduced COUT Clock Input and Output for Up to 12-Phase Operation Fixed Frequency Operation from 250kHz to 750kHz PLL Synchronization from 150kHz Up to 900kHz Selectable CCM or DCM Operation Available in 5mm x 7mm QFN and G36 Packages