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Power & Energy
Forum PWM controller UC3843
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  • buck
  • dc-dc
  • boost
  • converter
  • power
Related

PWM controller UC3843

e14 Contributor
e14 Contributor over 16 years ago

On Texas Instruments website the UC3843 controller is suggested also for Buck topology, but UC2843 is just for Boost, Flyback and Forward.

 

Can anyone tell me what is the difference between them and why only UC3843 is okay for Buck converters?

 

Thanks

g.

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  • e14 Contributor
    0 e14 Contributor over 16 years ago
    The only different is the temperature range.  The 3843 has 0-70C, while the 2843 has -40-85C.
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