max889Product summary presents key product information · MAX889TESA+ MAX889 Series 5.5 V 200 mA 2.5 MHz Charge Pump SMT Switching Regulator - SOIC-8The MAX889 IC is an inverting charge pump that deliv-ers a regulated negative output voltage at loads up to 200mA. The device operates from an input of +2.7V to +5.5V to produce a user