MAX771

NOT RECOMMENDED FOR NEW DESIGNS

5V/12V/15V or Adjustable, High-Efficiency Low-IQ, Step-Up DC-DC Controllers

We Recommend Improved Performance Devices for New Designs

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Part Details

  • 90% Efficiency for 10mA to 1A Load Currents
  • Up to 15W Output Power
  • 110µA Max Supply Current
  • 5µA Max Shutdown Current
  • 2V to 16.5V Input Range (MAX770/MAX771/MAX772)
  • Internal Shunt Regulator for High Input Voltages (MAX773)
  • Preset or Adjustable Output Voltages
    • MAX770: 5V or Adjustable
    • MAX771: 12V or Adjustable
    • MAX772: 15V or Adjustable
    • MAX773: 5V, 12V, 15V, or Adjustable
  • Current-Limited PFM Control Scheme
  • 300kHz Switching Frequency
MAX771
5V/12V/15V or Adjustable, High-Efficiency Low-IQ, Step-Up DC-DC Controllers
MAX770, MAX771, MAX772, MAX773: Typical Operating Circuit
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
Micropower Boost Regulators 1
MAX608 PRODUCTION 5V or Adjustable, Low-Voltage, Step-Up DC-DC Controller
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Evaluation Kits

MAX770EVKIT

Evaluation Kit for the MAX770

Features and Benefits

  • 5V or Adjustable Output Voltage
  • 2.7V to 5.5V Input Range
  • Up to 1A Output Current
  • 5µA Max Shutdown Current
  • 110µA Max Supply Current
  • 300kHz Switching Frequency
  • 8-Pin SO, Surface-Mount Construction
  • Fully Assembled and Tested

Product Details

The MAX770 evaluation kit (EV kit) provides a regulated 5V output voltage from a 3V input source. It drives loads up to 1A with greater than 80% conversion efficiency.

This EV kit is a fully assembled and tested surface-mount circuit board. Additional pads on the bottom of the board accommodate the external feedback resistors for setting different output voltages.

The MAX770 EV kit comes with a MAX770CSA IC, but it can also evaluate the 12V-output MAX771 or 15V-output MAX772-simply order a free sample of the MAX771CSA or MAX772CSA to substitute for the MAX770CSA.

Applications

  • Battery-Powered Applications
  • Flash Memory Programming
  • High-Efficiency DC-DC Converters
  • Palmtops, Handy Terminals
  • Portable Communicators
  • Positive LCD-Bias Generators

MAX770EVKIT
Evaluation Kit for the MAX770

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