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UC2842 - Current-Mode PWM Controllers

General Description

The UCx84x series of control integrated circuits provide the

Key Features

  • Optimized for off-line and DC-to-DC converters.
  • Low start-up current (< 1mA).
  • Automatic feedforward compensation.
  • Pulse-by-pulse current limiting.
  • Enhanced load-response characteristics.
  • Undervoltage lockout with hysteresis.
  • Double-pulse suppression.
  • High-current totem-pole output.
  • Internally trimmed bandgap reference.
  • Up to 500kHz operation.
  • Error amplifier with low output resistance 2 Applicatio.

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Full PDF Text Transcription for UC2842 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for UC2842. For precise diagrams, and layout, please refer to the original PDF.

UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845 SLUS223H – APRIL 1997 – REVISED OCTOBER 2024 UCx84x Current-Mode PWM Control...

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3H – APRIL 1997 – REVISED OCTOBER 2024 UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (< 1mA) • Automatic feedforward compensation • Pulse-by-pulse current limiting • Enhanced load-response characteristics • Undervoltage lockout with hysteresis • Double-pulse suppression • High-current totem-pole output • Internally trimmed bandgap reference • Up to 500kHz operation • Error amplifier with low output resistance 2 Applications • Switching regulators of any polarity • Transformer-coupled DC-DC converters 3 Description The UCx84x series of control integrat

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