Part SG1843
Description CURRENT MODE PWM CONTROLLER
Manufacturer Microsemi
Size 666.70 KB
Microsemi
SG1843

Overview

The SG1842/43 family of control IC's provides all lockout, current limiting circuitry and start-up the necessary features to implement off-line fixed current of less than 1mA. The totem-pole output frequency, current-mode switching power supplies is optimized to drive the gate of a power with a minimum number of external components.

  • OPTIMIZED FOR OFF-LINE CONTROL
  • LOW START-UP CURRENT (<1mA)
  • AUTOMATIC FEED FORWARD