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25LC128
ST1S31 (2)ST1S3 (4)ST1S (40)ST1 (490)
STMicroelectronics

ST1S31PUR

IC REG BUCK ADJ 3A SYNC 8VFDFPN
STMicroelectronics

ST1S31D-R

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154", 3.90mm Width)
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