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UC3844B SMD CURRENT MODE PWM IC SOP-8

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Availability:

500 in stock


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500 in stock

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UC3844B SMD CURRENT MODE PWM IC

The UCx84x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. The internally implemented circuits include an under voltage lockout (UVLO), featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator that also provides current-limit control, and a totem-pole output stage that is designed to source or sink high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the off state.

Key Features:

  • Current Mode Control: Ensures stable and accurate power regulation
  • Fixed Frequency Operation: Reduces EMI and improves efficiency
  • Low Start-up & Operating Current: Optimized for energy-saving applications
  • High-Speed PWM Switching: Enables fast and precise power conversion
  • Undervoltage Lockout (UVLO): Protects circuits from low voltage damage
  • Leading Edge Blanking: Minimizes switching noise for cleaner signals
  • Short Circuit & Overload Protection: Increases system reliability
  • Compact SMD Package: Suitable for space-saving PCB designs
SKU: UC3844SMD-IC Categories: , Tag:

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