max889The MAX889 is a hh-frequency, regulated, 200mA, inverting charge pump that produces a negative output voltage from inputs of 2.7V to 5.5V. It features a logic-controlled shutdownThe MAX889 is a hh-frequency, regulated, 200mA, inverting charge pump that delivers a negative output voltage from a positive input. It has an adjustable output range, a logic-controlled shutdown mode, and a 0.1µA quiescent current.