ST1S40IDR IC-1S40 REG BUCK ADJUSTABLE 3A 8SO ST ST1S40IDR is a versatile and high-performance DC-DC voltage regulator that featuring a Adjustable function with 4V to 18V output type. Input voltage range: 0.8V to 18V, output voltage: 3A and current: 850kHz. Operates within switching frequencies of N/A at temperatures of ROHS.Manufactured by SMT with SO8 mounting type. Compliant with TAPE&REEL standards and packaged as N/A.