UC3843A-Q Datasheet (PDF) Download
Unisonic Technologies
UC3843A-Q

Description

The UTC UC3843A-Q provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external ponents.

Key Features

  • Low Start Up Current ( Typical 0.12mA )
  • Automatic Feed Forward pensation
  • Pulse-by-Pulse Current Limiting
  • Under-voltage Lockout with Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output to Drive MOSFET Directly
  • Internally Trimmed Band Gap Reference
  • 500kHz Operation