MAX1759 Datasheet (Maxim) - Buck/Boost Regulating Charge Pump

MAX1759, Buck/Boost Regulating Charge Pump

The MAX1759 is a buck/boost regulating charge pump that generates a regulated output voltage from a single lithium-ion (Li+) cell, or two or three NiMH or alkaline cells for small hand-held portable equipment.

The MAX1759 operates over a wide +1.6V to +5.5V input voltage range and generates a fixed

MAX1759 Features

* o Regulated Output Voltage (Fixed 3.3V or Adjustable 2.5V to 5.5V) o 100mA Guaranteed Output Current o +1.6V to +5.5V Input Voltage Range o Low 50µA Quiescent Supply Current o 1µA Shutdown Mode o Load Disconnected from Input in Shutdown o High 1.5MHz Operating Frequency o Uses Small Ceramic Capacito