max889MAX889 Features o 200mA Output Current o Up to 2MHz Switching Frequency o Small Capacitors (1µF) o +2.7V to +5.5V Input Voltage Range o Adjustable Regulated NegativeMAX889: 301Kb 8P: Hh-Frequency, Regulated, 200mA, Inverting Charge Pump: MAX8890: 233Kb 12P: Integrated Cellular RF-Section Power-Management IC: MAX8891: 325Kb