LTC3873 - Boost/Flyback/SEPIC DC/DC Controller
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.
The LTC3873 provides ±1.5% output voltage accuracy an
LTC3873 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 Maximum 60V on SW Node with RDS(ON) Sensing n ±1.5% Voltage Reference Accuracy n Current Mode Operati