LTC3873-5 - Boost/Flyback/SEPIC DC/DC Controller
The LTC®3873-5 is a constant frequency current mode controller for boost, flyback or SEPIC DC/DC converters designed to drive an N-channel MOSFET for high input and output voltage converter applications.
The LTC3873-5 provides ±1.5% output voltage accuracy and consumes only 300μA quiescent current
LTC3873-5 Features
* n VIN and VOUT Limited Only by External Components n Internal or Programmable External Soft-Start n Constant Frequency 200kHz Operation n Adjustable Current Limit n Current Sense Resistor Optional n ±1.5% Voltage Reference Accuracy n Current Mode Operation for Excellent Line and Load Transient Respo