Current-Mode Controller IC UC3843D8TR

Category Tag

Current-Mode Controller IC UC3843D8TR

Description

The UC3843D8TR is a single-ended current-mode pulse-width modulation (PWM) controller integrated circuit designed for off-line and DC-DC power converter applications. It provides the essential control functions needed to implement fixed-frequency current-mode power supply topologies such as fly back, forward, boost, buck, and buck-boost converters, with minimal external components required.

FEATURES

  • Operating Supply Voltage: ~7.6 V to 30 V typical
  • Switching Frequency: Up to ~500 kHz
  • Max Duty Cycle: ~97 % typical
  • Operating Temperature: 0 °C to 70 °C
  • Mounting Style: Surface Mount

SPECIFICATION

  • Dimension: 5 × 3.98 × 1.75 mm
  • Additional information
  • Gross weight: 0.0726 g
  • Manufacturer part number: UC3843D8TR