Texas Instruments LM3671MF-3.3/NOPB, Step Down DC-DC Converter, 1.1 → 3.3 V 5-Pin, SOT-23 [LM3671MF-3.3/NOPB]; 761-5876
Step-Down DC/DC Converters (Integrated Switch) up to 6V Input Max., LM Series, Texas Instruments
DC/DC Switching Regulator Converters (Integrated Switch), Texas Instruments
The range of highly integrated high-efficiency switching voltage regulators from Texas Instruments includes Step-up (Boost), Step-down (Buck), Step-up/down (Boost/Buck) and Inverting types providing efficient solutions for every DC Voltage Regulator application.