0.7A synchronous step-down regulator, Adjustable Output Voltage, 2.5-5.5V Input Voltage, 1.7MHz, TSOT-23-5 DC/DC Buck Converter 0.7A TSOT?23*

3A monolithic synchronous step-down regulator, Adjustable Output Voltage, 2.5-18V Input Voltage, 900kHz, PowerSO-8 DC/DC Buck Conwerter 3A Low Voltage Input TI*SO*PowerPAD*

3A monolithic synchronous step-down regulator, Adjustable Output Voltage, 2.5-18V Input Voltage, 900kHz, DFN-8 DC/DC Buck Conwerter 3A Low Voltage Input DFN*EP*4x4mm*P0.8mm*

2A Synchronous Step-Down Voltage Regulator 580kHz, adjustable output voltage, 4.5-17V Input Voltage, 0.804V-7V Output Voltage, SOT-563 step-down dcdc buck SOT?563*

4.5-V to 17-V Input, 1-A Synchronous Step-Down Voltage Regulator in 6-Pin SOT-23