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UC2843A
  • UC2843A

UC2843A

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Control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by- pulse current limiting and inherent protection of the power supply output switch

Microchip Technology UC2843A Product Info

16 April 2026 0

Parameters

Regulator Type

HI Rel Switching Regulators

Configuration

Current Mode PWMs

Features

    • Optimized For Off-Line Control
    • Low Start-Up Current (<1mA)
    • Automatic Feed Forward Compensation
    • Trimmed Oscillator Discharge Current
    • Pulse-By-Pulse Current Limiting
    • Enhanced Load Response Characteristics -
    • Double-Pulse Suppression
    • High-Current Totem-Pole Output (1A Peak)
    • Internally Trimmed Band-gap Reference
    • 500kHz Operation Under-voltage Lockout: SG1843 - 8.4 volts
    • Low Shoot-Through Current <75mA Over Temperature

Description

Control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by- pulse current limiting and inherent protection of the power supply output switch

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