Part LM3843A
Description CURRENT MODE PWM CONTROLLER
Manufacturer HTC KOREA
Size 340.47 KB
HTC KOREA
LM3843A

Overview

The LM384xA are fixed frequency current-mode PWM controller. They are specially designed for Off-Line and DC-to-DC converter applications with minimal external components.

  • Automatic feed forward compensation
  • Optimized for offline converter
  • Double pulse suppression
  • Current mode operation to 500kHz
  • High gain totem pole output
  • Internally trimmed bandgap reference
  • Undervoltage lockout with hysteresis
  • Low start up current: < 0.3mA
  • Moisture Sensitivity Level 3