Part LTC3873
Description Boost/Flyback/SEPIC DC/DC Controller
Manufacturer Linear Technology
Size 260.27 KB
Linear Technology
LTC3873

Overview

The LTC®3873 is a constant frequency current mode, boost, flyback or SEPIC DC/DC controller that drives an N-channel power MOSFET in high input and output voltage converter applications. Soft-start can be programmed using an external capacitor.

  • VIN and VOUT Limited Only by External Components
  • Internal or Programmable External Soft-Start
  • Constant Frequency 200kHz Operation
  • Adjustable Current Limit
  • Current Sense Resistor Optional
  • Maximum 60V on SW Node with RDS(ON) Sensing n ±1.5% Voltage Reference Accuracy
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Low Quiescent Current: 300µA
  • Low Profile (1mm) ThinSOTTM and (0.75mm) 2mm × 3mm DFN Package