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MAX1771 Datasheet Step-up DC-dc Controller

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: AVAILABLE EVALUATION KIT AVAILABLE MAX1771 12V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controller.

General Description

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 supply current (vs.

2mA to 10mA for PWM converters).

Key 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 Ordering Information PART MAX1771CPA TEMP RANGE 0°C to +70°C PIN-.

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MAX1771 Distributor