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UC2843B

Part Number	UC2843B
Manufacturer	ST Microelectronics
Description	HIGH-PERFORMANCE CONTROLLER
Published	Apr 13, 2007
Detailed Description	® UC2842B/3B/4B/5B UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER comparatorwhich alsoprovidescurrent ...
Datasheet	UC2843B PDF File

Overview

® UC2842B/3B/4B/5B UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER 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.
Differences between members of this family are the DESCRIPTION under-voltagelockout thresholds and maximum duty TheUC384xB family ofcontrolICs providesthe neccycle ranges.
The UC3842B and UC3844B have essary features to implement off-line or DC to DC UVLO thresholds of 16V (on) and 10V (off), ideally fixed frequency current mode control schemes com with suitedoff-lineapplicationsThecorrespo...

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