Use the boost NCV887801D1R2G DC voltage controller from ON Semiconductor to step up and down your DC voltage. This DC voltage controller has single output. With an output that has a voltage of -0.3 to 40 V, this is power management at its best. You can operate this at a switching frequency of 495 kHz. This DC voltage controller has an operating temperature range of -40 °C to 150 °C.