DC-DC converter ICs are available in step-up, step-down, and inverting types. It supplies highly efficient and highly accurate output over a wide input voltage range.
It is a step-down DC-DC converter IC.
The MM3630 supports in-vehicle battery voltage input and has a built-in function to correct the voltage drop due to wiring resistance for the USB power supply of car infotainment.
It is a step-up DC-DC converter IC.
There are MM3355 that supports boosting from 1 cell of the battery and MM3333 that supports boosting from 2 cells.
- Charge pump The charge pump IC MM3631 supports inverting output.