MAX1771 Datasheet (Maxim) - Step-Up DC-DC Controller

MAX1771, Step-Up DC-DC Controller

The MAX1771 step-up switching controller provides 90% efficiency over a 30mA to 2A load.

A unique current-limited pulse-frequency-modulation (PFM) control scheme gives this device the benefits of pulse-widthmodulation (PWM) converters (high efficiency at heavy loads), while using less than 110µA of

MAX1771 Features

* o 90% Efficiency for 30mA to 2A Load Currents o Up to 24W Output Power o 110µA (max) Supply Current o 5µA (max) Shutdown Current o 2V to 16.5V Input Range o Preset 12V or Adjustable Output Voltage o Current-Limited PFM Control Scheme o Up to 300kHz Switching Frequency o Evaluation Kit Available Ord