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UC3842A - CURRENT MODE PWM CONTROL CIRCUITS

General Description

The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external components.

Key Features

  • S.
  • Low Start Up Current ( Typical 0.12mA ).
  • Automatic Feed Forward Compensation.
  • 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT CURRENT MODE PWM CONTROL CIRCUITS  DESCRIPTION The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external components.  FEATURES *Low Start Up Current ( Typical 0.