MAX8778:

  • The MAX877 delivers a regulated 5V output from 2.5V to 6.2V inputs.
  • The MAX878 generates pin-selectable voltages of 3.0V or 3.3V from 1.5V to 6.2V inputs
  • The MAX879 output can be adjusted from 2.5V to 6V via an external resistor divider from 2.5V to 6.2V inputs.
SKU: SLY-IC240 Category:
Description

Product Description

DESCRIPTION:

  • The MAX877/MAX878/MAX879 are pulse-skipping, step-up/step-down DC-DC converters that provide a regulated output from inputs both above and below the output. They require only three external components—an inductor (typically 22μH) and two filter capacitors.
  • The MAX877 delivers a regulated 5V output from 2.5V to 6.2V inputs. The MAX878 generates pin-selectable voltages of 3.0V or 3.3V from 1.5V to 6.2V inputs. The MAX879 output can be adjusted from 2.5V to 6V via an external resistor divider from 2.5V to 6.2V inputs.
  • Technical sheet: https://pdf1.alldatasheet.com/datasheet-pdf/view/73834/MAXIM/MAX877.html

FEATURES:

  • Regulates from Inputs Above & Below the Output
  • 1V to 6.2V Supply-Voltage Range
  • Internal 1A Active Rectifier with Input-to-Output Disconnect in Shutdown
  • Up to 210mA Load Currents, Guaranteed
  • 85% Efficiency
  • Only 3 External Components
  • Adjustable Current Limit
  • 195μA Quiescent Supply Current
  • 20μA Shutdown Supply Current
  • 3V/3.3V/5V and Adjustable Output Voltage Versions
  • Available in 8-Pin DIP and SO Packages

APPLICATIONS:

  • Two or Three NiCd Cells to 3V/3.3V Conversion
  • Three or Four Alkaline Cells to 5V Conversion
  • One Lithium Cell to 3V/3.3V Conversion Pagers
  • Palmtop and Notebook Computers
  • Battery-Powered and Hand-Held Instruments
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