max889The 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 userPart #: MAX889. Download. File Size: 301Kbytes. Page: 8 Pages. Description: Hh-Frequency, Regulated, 200mA, Inverting Charge Pump. Manufacturer: Maxim Integrated