This circuit was found in the Analog Devices component manual, providing a negative voltage of 2.5 V from 3 V input. The current is on the order of 10 mA. The formula next to the diagram allows you to calculate R for other output voltages.
This circuit was found in the Analog Devices component manual, providing a negative voltage of 2.5 V from 3 V input. The current is on the order of 10 mA. The formula next to the diagram allows you to calculate R for other output voltages.