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UC2843A - PWM CONTROLLERS

Download the UC2843A datasheet PDF. This datasheet also covers the UC2842A variant, as both devices belong to the same pwm controllers family and are provided as variant models within a single manufacturer datasheet.

General Description

The UTC UC2842A/2843A are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count.

The differences between UC2842A and UC2843A are the under-voltage lockout thresholds.

Key Features

  • S.
  • Operation output switching frequency up to 500 kHz.
  • Automatic feed forward compensation.
  • Latching PWM for cycle-by-cycle current limiting.
  • High current totem pole output.
  • Internally trimmed reference with under voltage lockout.
  • UVLO with hysteresis.
  • Low startup and operating current.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC2842A-UTC.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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UC2843A HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER ST Microelectronics
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UC2843A CURRENT MODE PWM CONTROLLER LINFINITY
UC2843A High Performance Current Mode Controllers ON Semiconductor
UC2843A Current-Mode PWM Controllers Texas Instruments

Other Datasheets by Unisonic Technologies

Part Number Description
UC2842A PWM CONTROLLERS
UC2846 CURRENT MODE PWM CONTROLLER
UC2000D HIGH PRECISION LOW COST MCM POWER SWITCH

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.

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD UC2842A/2843A LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS  DESCRIPTION The UTC UC2842A/2843A are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC2842A and UC2843A are the under-voltage lockout thresholds. The UC2842A ideally suited to off-line applications with UVLO thresholds of 16V(ON) and 10V(OFF), and UC2843A has UVLO thresholds of 8.4V(ON) and 7.6V(OFF) for lower voltage applications.