• Part: LTC3811
  • Description: Multiphase Step-Down DC/DC Controller
  • Manufacturer: Linear Technology
  • Size: 538.78 KB
LTC3811 Datasheet (PDF) Download
Linear Technology
LTC3811

Overview

Controller 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 × 7mm QFN and G36 Packages.