• Part: UC3845B
  • Description: High Performance Current Mode Controller
  • Manufacturer: onsemi
  • Size: 749.31 KB
UC3845B Datasheet (PDF) Download
onsemi
UC3845B

Key Features

  • Trimmed Oscillator for Precise Frequency Control
  • Oscillator Frequency Guaranteed at 250 kHz
  • Current Mode Operation to 500 kHz Output Switching Frequency
  • Output Deadtime Adjustable from 50% to 70%
  • Automatic Feed Forward pensation
  • Latching PWM for Cycle-By-Cycle Current Limiting
  • Internally Trimmed Reference with Undervoltage Lockout
  • High Current Totem Pole Output
  • Undervoltage Lockout with Hysteresis
  • Low Startup and Operating Current
UC3845B reference image

Representative UC3845B image (package may vary by manufacturer)

UC3845B datasheet preview

Datasheets by Manufacturer

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UC3845B American First Semiconductor Controllers
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UC3845 Texas Instruments Current-Mode PWM Controllers
UC3845 Unisonic Technologies HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
UC3843T STMicroelectronics HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC3844T STMicroelectronics HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER