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RM622X - PWM controller

Datasheet Summary

Description

RM622X combines a dedicated current mode PWM controller with a high volt age power MOSFET .

It is o ptimized for high performance,low standby power ,and cost effective of f-line flyback converte r applications in sub 20W range.

Features

  • Power on soft start reducing MOSFET Vds stress.
  • Frequency shuffling for EMI.
  • Extended B urst Mode control fo r improved e fficiency and minimum standby power design.
  • Audio noise free operation.
  • Fixed 50Khz switching frequency.
  • Internal synchronized slop compensation.
  • Low VDD st art-up curre nt and low operationg current.
  • LEB and current sense input.
  • Good protec tion coverag e with auto self-recovery.
  • VDD over volt age clamp and under voltage lo.

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Datasheet preview – RM622X

Datasheet Details

Part number RM622X
Manufacturer Reactor
File Size 248.62 KB
Description PWM controller
Datasheet download datasheet RM622X Datasheet
Additional preview pages of the RM622X datasheet.

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Full PDF Text Transcription

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                            RM622X  GENERAL DESCRIPTION RM622X combines a dedicated current mode PWM controller with a high volt age power MOSFET . It is o ptimized for high performance,low standby power ,and cost effective of f-line flyback converte r applications in sub 20W range. RM622X of fers co mplete protection coverage w ith automatic self-recovery feature inclu ding C ycle-by-Cycle current limiting,over load pr otection,VDD over voltage clamp and under volt age lockout. Excellent EMI performance is achieved with freque ncy shuf fling technique together with sof t switching control at the totem pole gate drive output. The tone energy at below 20khz is minimized in the design and audio nosie is eliminated during ope ration.RM622X is offered in DIP8 package.
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