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UC3845BN - HIGH-PERFORMANCE PWM CONTROLLER

Download the UC3845BN datasheet PDF (UC3842B included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for high-performance pwm controller.

Description

The UC384xB family of control ICs provides the necessary

Features

  • to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UC3842B_STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by ST Microelectronics
  • UC3845B - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
  • UC3845 - CURRENTMODE PWM CONTROLLER
  • UC3845A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
  • UC3842 - CURRENTMODE PWM CONTROLLER
  • UC3842A - HIGH-PERFORMANCE PWM CONTROLLER
  • UC3842B - HIGH-PERFORMANCE PWM CONTROLLER
  • UC3842BN - HIGH-PERFORMANCE PWM CONTROLLER
  • UC3843A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

Full PDF Text Transcription

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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 DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count.
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