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Datasheet Replacement Marking Code
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25LC128
LM2577MX (3)LM2577M (7)LM2577 (35)LM257 (444)LM25 (1115)LM2 (11)
Hotenda

LM2577MX-12

Boost, Flyback, Forward Converter Switching Regulator IC Positive or Negative Fixed 12V 1 Output 3A (Switch) 24-SOIC (0.295", 7.50mm Width)
Hotenda

LM2577MX-15

Boost, Flyback, Forward Converter Switching Regulator IC Positive or Negative Fixed 15V 1 Output 3A (Switch) 24-SOIC (0.295", 7.50mm Width)
Hotenda

LM2577MX-ADJ

Boost, Flyback, Forward Converter Switching Regulator IC Positive or Negative Adjustable 1.23V 1 Output 3A (Switch) 24-SOIC (0.295", 7.50mm Width)
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