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UC3843BN, UC3842B HIGH-PERFORMANCE PWM CONTROLLER

UC3843BN Description

UC2842B/3B/4B/5B ® UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER .TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL .OSCILLATOR F.
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.

UC3843BN 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 CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trim

UC3843BN Applications

* The corresponding thresholds for the UC3843B and UC3845B are 8.5 V and 7.9 V. The UC3842B and UC3843B can operate to duty cycles approaching 100%. A range of the zero to < 50 % is obtained by the UC3844B and UC3845B by the addition of an internal toggle flip flop which blanks the output off every ot

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This datasheet PDF includes multiple part numbers: UC3843BN, UC3842B. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number
UC3843BN, UC3842B
Manufacturer
STMicroelectronics ↗
File Size
233.69 KB
Datasheet
UC3842B_STMicroelectronics.pdf
Description
HIGH-PERFORMANCE PWM CONTROLLER
Note
This datasheet PDF includes multiple part numbers: UC3843BN, UC3842B.
Please refer to the document for exact specifications by model.

📁 Related Datasheet

  • UC3843 - Current-Mode PWM Controllers (Texas Instruments)
  • UC3843A - CURRENT MODE PWM CONTROLLER (UTC)
  • UC3843A-BW - Current Mode PWM Controller (FCI)
  • UC3843A-Q - PWM CONTROLLER (UTC)
  • UC3843AD - High Performance Current Controller (ON Semiconductor)
  • UC3843AN - High Performance Current Controller (ON Semiconductor)
  • UC3843D - Fixed Frequency Current Mode PWM Controller (ChipsWinner)
  • UC3843P - Fixed Frequency Current Mode PWM Controller (ChipsWinner)

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HIGH-PERFORMANCE PWM CONTROLLER ST Microelectronics
ST Microelectronics UC3843BN-like datasheet