max889Order , ships MAX889SESA+ – Charge Pump Switching Regulator IC Negative Adjustable -2.5V 1 Output 200mA 8-SOIC (0.154, 3.90mm Width) from Analog DevicesThe MAX889 inverting charge pump delivers a regulated. negative output voltage at loads of up to 200mA. The. device operates with inputs from 2.7V to 5.5V to produce. an adjustable,