Even in the event of large power supply variations, this LM236H-5.0 voltage reference power management device from Texas Instruments can produce and maintain a precise DC voltage. It has an initial accuracy of 1%. With an output that has a voltage of 5 V, this is power management at its best. This voltage reference circuit supports shunt topology. Using a load regulation of 12mV is needed for a programmable DC power supply. This voltage reference circuit has an operating temperature range of -25 °C to 85 °C.