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RM6221S - PWM controller

Download the RM6221S datasheet PDF. This datasheet also covers the RM622X variant, as both devices belong to the same pwm controller family and are provided as variant models within a single manufacturer datasheet.

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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RM622X-Reactor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RM6221S
Manufacturer Reactor
File Size 248.62 KB
Description PWM controller
Datasheet download datasheet RM6221S Datasheet

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Other Datasheets by Reactor

Part Number Description
RM6222D PWM controller
RM6222D 12V 1A high performance current mode PWM controller
RM6222D 5V 2A high performance current mode PWM controller
RM6222D high performance current mode PWM controller
RM6222D 12V 1.5A Integration of a dedicated current mode PWM controller and high-voltage power MOSFET

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
                            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.