MAX1642

High-Efficiency Step-Up DC-DC Converters for 1V Inputs

We Recommend Improved Performance Device, MAX1678, for New Designs

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Part Details

  • Built-In Synchronous Rectifier
  • 0.88V Guaranteed Start-Up
  • Ultra-Small µMAX Package: 1.1mm High
  • 83% Efficiency
  • 4µA Quiescent Supply Current into BATT Pin
  • 2µA Logic-Controlled Shutdown (MAX1642)
  • Two Undervoltage Detectors (MAX1643)
  • 2V to 5.2V Output Range
  • 20mA Output Current at 1.2V Input
  • Reverse Battery Protection
MAX1642
High-Efficiency Step-Up DC-DC Converters for 1V Inputs
MAX1642, MAX1643: Typical Operating Circuit
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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Boost Regulators 1
MAX1678 PRODUCTION 1 Cell to 2 Cell, Low-Noise, High-Efficiency, Step-Up DC-DC Converter
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