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UC3845 Current Mode PWM Controller IC DIP-8 Package

UC3845 Current Mode PWM Controller IC DIP-8 Package
UC3845 Current Mode PWM Controller IC DIP-8 Package

The UC3845 fixed frequency current mode controller is specifically designed for off-line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.


  • Fixed Frequency Current-Mode PWM Controller
  • Trimmed Oscillator Discharge Current for Precise Duty Cycle Control
  • Current Mode Operation to 500 kHz
  • Automatic Feed Forward Compensation
  • Latching PWM for Cycle−By−Cycle Current Limiting
  • Internally Trimmed Reference with Under voltage Lockout
  • High Current Totem Pole Output
  • Under voltage Lockout with Hysteresis
  • Low Startup and Operating Current 


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  • Stock: 10
  • Model: IC
  • Weight: 20.00g
  • Dimensions: 10.00cm x 8.00cm x 6.00cm
  • SKU: VP-602
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