Electronics 01
Can You Use a Voltage Divider as a Power Supply?
A 7 kΩ / 5 kΩ divider makes 5 V from 12 V until you load it: at 20 mA it gives 0.39 V. The Thevenin math, the efficiency limit, and when a divider is fine.
A 7 kΩ / 5 kΩ divider makes 5 V from 12 V until you load it: at 20 mA it gives 0.39 V. The Thevenin math, the efficiency limit, and when a divider is fine.