max889MAX889SESA Analog Devices Maxim Integrated Switching Voltage Regulators f-Reg 200mA Invert Charge Pump datasheet, inventory, & pricing.MAX889 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 Negative