max889. ! Analog Devices Inc.Maxim Integrated MAX889TESA+ – IC -2.5V 1 200mA 8MAX889: 301Kb 8P: Hh-Frequency, Regulated, 200mA, Inverting Charge Pump: MAX8890: 233Kb 12P: Integrated Cellular RF-Section Power-Management IC: MAX8891: 325Kb