The Microchip Technology MIC2171WT is an adjustable DC-DC switching regulator capable of step-up, step-down, or step-up/step-down configurations. It features a 3V input voltage and a 2.5A current rating.
The Microchip Technology MIC4575-5.0WT is a fixed output voltage regulator. It supports Step-Down and Step-Up/Step-Down functions with a Buck, Buck-Boost topology.
The Texas Instruments LM2575T-5.0/NOPB is a 1A step-down (buck) switching regulator with a fixed 5V output. It operates at 52kHz and comes in a TO-220-5 package.
The Texas Instruments LM2596T-5.0/NOPB is a 5V fixed output, 3A step-down switching regulator. It operates with an input voltage range of 4.5V to 40V and a switching frequency of 150kHz.
