DC/DC Controller, 1-Channel, Adjustable Output, 20V, 20mA, DIP-8
Charge Pump INV/STPUP/STPDN -1.5V to -10V/3V to 20V 100mA 8-Pin PDIP Tube
Inverting Adjustable Voltage Regulator, 1-Channel, 1-Output, 20V, 20mA, P-Package