MAX8546

PRODUCTION

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

2.7V to 28V Input, 15A, Step-Down, DC-DC Controllers for Desktop and Graphic Card Supplies have Foldback Current Protection

Data Sheet (Rev. 2) Product Selection Table
Part Models
2
1ku List Price
Starting From $1.77
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Part Details

  • 2.7V to 28V Input Range
  • Foldback Short-Circuit Protection
  • No Additional Bias Supply Needed
  • 0.8V to 0.83 x VIN Output
  • Up to 95% Efficiency
  • Low-Cost External Components
  • No Current-Sense Resistor
  • All n-Channel MOSFET Design
  • Adaptive Gate Drivers Eliminate Shoot-Through
  • Lossless Overcurrent and Short-Circuit Protection
  • 300kHz Switching Frequency (MAX8545/MAX8546)
  • 100kHz Switching Frequency (MAX8548)
  • Pin-Compatible with the MAX1967
  • Thermal Shutdown
MAX8546
Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit
MAX8545, MAX8546, MAX8548: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Evaluation Kits

MAX8546EVKIT

Evaluation Kit for the MAX8545, MAX8546, MAX8548

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Features and Benefits

  • 10V to 24V Input Range (MAX8546)
  • 300kHz Operation
  • 2.5V at 6A Output
  • Foldback Short-Circuit Protection
  • Low-Cost Solution
  • Evaluates the MAX8545, MAX8546, and MAX8548
  • Fully Assembled and Tested

Product Details

The MAX8546 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the performance of the MAX8546 step-down DC-DC converter.

The EV kit comes with a MAX8546 IC installed. The EV kit's circuit is optimized for a 10V to 24V input range and 300kHz switching frequency, and delivers 2.5V at 6A to the output. To evaluate the MAX8545 or MAX8548, replace the IC with the desired part and refer to the MAX8545/MAX8546/MAX8548 data sheet to select the appropriate components for the EV kit.

Applications

  • Cable Modems and Routers
  • Desktops and Desknotes
  • Graphic Card and Video Supplies
  • Networking Power Supplies
  • Notebook Docking Station Supplies
  • PCI Express® Power Supplies
  • Set-Top Boxes
  • Telecom Power Supplies
MAX8546EVKIT
Evaluation Kit for the MAX8545, MAX8546, MAX8548

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