Datasheet4U Logo Datasheet4U.com

LTC3855 - Multiphase Synchronous DC/DC Controller

Description

The LTC®3855 is a dual PolyPhase® current mode synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages.

It includes a high speed differential remote sense amplifier.

Features

  • n Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n High Efficiency: Up to 95% n RSENSE or DCR Current Sensing n Programmable DCR Temperature Compensation n ±0.75% 0.6V Output Voltage Accuracy n Phase-Lockable Fixed Frequency 250kHz to 770kHz n True Remote Sensing Differential Amplifier n Dual N-Channel MOSFET Synchronous Drive n Wide VIN Range: 4.5V to 38V n VOUT Range: 0.6V to 12.5V without Differential Amplifier n VOUT Range: 0.6V to 3.3V with Di.

📥 Download Datasheet

📁 Similar Datasheet

  • LTC3852 - Synchronous Step-Down DC/DC Controller (Linear)
  • LTC3854 - Wide Vin Range Synchronous Step-Down DC/DC Controller (Linear Technology Corporation)
  • LTC3858-1 - Dual 2-Phase Synchronous Step-Down Controller (Linear Technology Corporation)
  • LTC3807 - Synchronous Step-Down Controller (Linear)
  • LTC3808 - Synchronous DC/DC Controller (Linear)
  • LTC3816 - DC/DC Controller (Linear)
  • LTC3823 - Step-Down Synchronous DC/DC Controller (Linear)
  • LTC3829 - Single Output Synchronous Step-Down DC/DC Controller (Analog Devices)
  • LTC3870-1 - PolyPhase Step-Down Slave Controller (Linear)
  • LTC3871 - Bidirectional PolyPhase Synchronous Buck or Boost Controller (Analog Devices)
Other Datasheets by Linear Technology
  • LTC3850 - 2-Phase Synchronous Step-Down Switching Controller
  • LTC3850-1 - 2-Phase Synchronous Step-Down Switching Controller
  • LTC3850-2 - 2-Phase Synchronous Step-Down Switching Controller
  • LTC3851 - Synchronous Step-Down Switching Regulator Controller
  • LTC3851-1 - Synchronous Step-Down Switching Regulator Controller
  • LTC3851A - Synchronous Step-Down Switching Regulator Controller
  • LTC3851A-1 - Synchronous Step-Down Switching Regulator Controller
  • LTC3853 - Multiphase Synchronous Step-Down Controller

Full PDF Text Transcription

Click to expand full text
LTC3855 Dual, Multiphase Synchronous DC/DC Controller with Differential Remote Sense Features n Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n High Efficiency: Up to 95% n RSENSE or DCR Current Sensing n Programmable DCR Temperature Compensation n ±0.75% 0.6V Output Voltage Accuracy n Phase-Lockable Fixed Frequency 250kHz to 770kHz n True Remote Sensing Differential Amplifier n Dual N-Channel MOSFET Synchronous Drive n Wide VIN Range: 4.5V to 38V n VOUT Range: 0.6V to 12.5V without Differential Amplifier n VOUT Range: 0.6V to 3.
Published: |