MAXREFDES1048, Two-Layer Board, 3.3V/3A Wide-Input, Synchronous Step-Down DC-DC Converter Reference Design

Reference Design using part MAX17504ATP+ by Analog Devices

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MAXREFDES1048 Image
MAXREFDES1048 Schematic
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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • High-Current Applications
  • Low-Voltage Applications

Description

  • MAXREFDES1048, Reference Design for the MAX17504 high-efficiency, high-voltage, synchronously rectified step-down converter with dual integrated MOSFETs operates over a 4.5V to 60V input. The converter can deliver up to 3.5A and generates output voltage from 0.9V to 90% VIN. Built-in compensation across the output voltage range eliminates the need for external components. The feedback (FB) regulation is accurate to within ±1.1% over -40 to +125 degree C. The devices are available in a compact (5mm x 5mm) TQFN lead (Pb)- free package with an exposed pad. The MAX17504 features a peak-current-mode control architecture with a MODE feature that can be used to operate the device in pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous mode (DCM) control schemes

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    18 to 36 V
  • Output Voltage
    3.3 V
  • Output Current
    3 A
  • Output Power
    9.9 W
  • Efficiency
    88 %
  • Topology
    Buck- Synchronous

Featured Parts (2)

Featured Parts
Part Number Manufacturer Type Description
MAX17504ATP+T Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.5V to 60V Synchronous Step Down Single-Out 0.9V to 54V 3.5A 20-Pin TQFN EP T/R Buy
MAX17504ATP+ Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.5V to 60V Synchronous Step Down Single-Out 0.9V to 54V 3.5A 20-Pin TQFN EP Tube Buy

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