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MAX1626 Datasheet

MAX1626 Datasheet

5V/3.3V or Adjustable, 100% Duty Cycle, High-Efficiency, Step-Down DC-DC Controllers
Part No.: MAX1626
Page: 16 Pages
Size: 353 KB
Manufacturer: Maxim Integrated
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Views: 2
Update Time: 2024-12-31 11:17:10
DataSheet: Download

MAX1626 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
MAX1626C/D       1   0°C ~ 70°C Dice  
MAX1626ESA+ Tube 100 MAX1626ESA 1 8 -40°C ~ 85°C 8 SO  
MAX1626ESA+T Reel 2500 MAX1626ESA 1 8 -40°C ~ 85°C 8 SO  
MAX1626ESA+TG068 Reel 1000   1 8 -40°C ~ 85°C 8 SO  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

MAX1626 Datasheet(PDF)

MAX1626 Datasheet(Picture)

MAX1626 Features

  • Reduce External Components and Total Cost
    • 300KHz PWM Switching Reduces Component Size
    • Tiny Surface-Mount Inductor
  • Reduce Power Dissipation
    • > 90% Efficiency from 3mA to 2A Loads
    • Low Dropout Voltage
    • 100% Maximum Duty Cycle
  • Reduce Number of DC-DC Controllers to Stock
    • Wide 2.6V to 16.5V Input Voltage Options
    • Selectable 3.3V and 5V or Adjustable 1.3V to 16V Output Voltage Options
  • Reduce System Power Consumption
    • 90µA Max Quiescent Current
    • 1µA Max Shutdown Current
  • Operates Reliably in Adverse Environment
    • Soft-Start Limits Startup Current
    • Current-Limited Control Scheme
  • Increase Design Flexibility
    • External P-Channel MOSFET Allows Output Power of > 12.5W

MAX1626 Applications

  • 5V to 3.3V Green PC Applications
  • Battery-Powered Applications
  • Handheld Computers
  • High-Efficiency Step-Down Regulation
  • Low-Cost Notebook Computer Supplies
  • Minimum Component DC-DC Converters
  • PCMCIA Power Supplies
  • PDAs and Other Handheld Devices
  • Portable Terminals

MAX1626 Description

The MAX1626 step-down DC-DC controllers operate over a 2.6V to 16.5V input voltage range. The controllers deliver load current from 1mA to more than 2A. The MAX1626 has pin-selectable 3.3V and 5V outputs.

A unique current-limited, pulse-frequency-modulation (PFM) control scheme operates up to 100% duty cycle, resulting in very low dropout voltage. This control scheme eliminates minimum load requirements and reduces supply current under light loads to 90µA (versus 2mA to 10mA for common pulse-width modulation controllers).

The devices are available in a 8-pin SOIC package (-40°C to +85°C) and dice (0°C to +70°C).

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