Reply To: Transformerless SMPS using ICs

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November 26, 2016 at 1:07 pm #13200
sihabudheent
Participant

Hi Ligo George,

Here are my requirements,

  1.  Input Voltage upto 90-300V AC @50Hz
  2. I need dual output voltage – 5V and 12V
  3. Need isolated one
  4. It is used for out door application
  5. It is placed in IP65 plastc boxes
  6. It is used for out door street light application
  7. Should not use any transformers for stepdown

Please sugget any IC for smps circuit without use of Transformer, I Knw one IC “LNK304DN”, which doesnt need transformer. Kindly suggest any other IC.

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