DC current is great for low voltage circuits, using this LTC1261CS8-4 charge pump voltage doubler from Linear Technology will provide a range of voltages. Its output produces a current of 15(Max) mA. With an output that has a voltage of -1.25 to -8|2.5 to 16|7.5 to 24 V, this is power management at its best. This inverting charge pump has a minimum operating temperature of 0 °C and a maximum of 70 °C. This device has a minimum operating supply voltage of 3 V and a maximum of 8 V.