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UC2843BN - HIGH-PERFORMANCE PWM CONTROLLER

Download the UC2843BN datasheet PDF (UC2842B included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for high-performance pwm controller.

Description

TheUC384xB family ofcontrolICs providesthe nec- cycle ranges.

Features

  • to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideally fixed frequency current mode control schemes wwwwit. DhataSheet4Us. cuomitedoff-line.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC2842B_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by ST Microelectronics
  • UC2843B - HIGH-PERFORMANCE CONTROLLER
  • UC2843A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
  • UC2840 - PWM Controller
  • UC2842 - CURRENTMODE PWM CONTROLLER
  • UC2842A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
  • UC2842B - HIGH-PERFORMANCE CONTROLLER
  • UC2842BN - HIGH-PERFORMANCE PWM CONTROLLER
  • UC2844 - CURRENTMODE PWM CONTROLLER

Full PDF Text Transcription

Click to expand full text
UC2842B/3B/4B/5B ® UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER . TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL . OSCILLATOR FREQUENCY GUARANTEED AT 250kHz . CURRENT MODE OPERATION TO 500kHz . AUTOMATIC FEED FORWARD COMPENSA- TION . LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING . INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT . HIGH CURRENT TOTEM POLE OUTPUT . UNDERVOLTAGE LOCKOUT WITH HYSTER- ESIS . LOW START-UP AND OPERATING CURRENT Minidip SO8 comparatorwhich alsoprovidescurrent limit control, and a totem pole output stage designed to source or sink high peakcurrent. The outputstage, suitable for driving N-Channel MOSFETs, is low in the offstate.
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