• Part: LTC3851-1
  • Description: Synchronous Step-Down Switching Regulator Controller
  • Manufacturer: Linear Technology
  • Size: 357.28 KB
LTC3851-1 Datasheet (PDF) Download
Linear Technology
LTC3851-1

Description

The LTC®3851-1 is a high performance synchronous step-down switching regulator controller that drives an all N-channel synchronous power MOSFET stage. A constant frequency current mode architecture allows a phase-lockable frequency of up to 750kHz.

Key Features

  • Wide VIN Range: 4V to 38V Operation
  • RSENSE or DCR Current Sensing n ±1% Output Voltage Accuracy
  • Power Good Output Voltage Monitor
  • Phase-Lockable Fixed Frequency: 250kHz to 750kHz
  • Dual N-Channel MOSFET Synchronous Drive
  • Very Low Dropout Operation: 99% Duty Cycle
  • Adjustable Output Voltage Soft-Start or Tracking
  • Output Current Foldback Limiting
  • Output Overvoltage Protection
  • OPTI-LOOP® Compensation Minimizes COUT