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Maxim Integrated MAX17572 4.5...60V, 1A DC-DC converter

The MAX17572 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input.

Maxim-MAX17572-product-picture

The MAX17572 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input. The converter can deliver up to 1A and generates output voltages from 0.9V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.2% over -40°C to +125°C. The MAX17572 uses peak current-mode control.The device is available in a 12-pin (3mm x 3mm) TDFN package. Simulation models are available.

 

Key features

  • No Schottky-Synchronous Operation
  • Internal Compensation for Any Output Voltage
  • Wide 4.5V to 60V Input
  • Peak Efficiency > 92%

     

Additional features

  • Reduces External Components and Total Cost
  • No Schottky-Synchronous Operation
  • Internal Compensation for Any Output Voltage
  • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
  • Wide 4.5V to 60V Input
  • Adjustable 0.9V to 0.9 x VIN Output
  • Continuous 1A Current Over Temperature
  • 400kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
  • Reduces Power Dissipation
  • Peak Efficiency > 92%
  • Auxiliary Bootstrap LDO for Improved Efficiency
  • 4.65μA Shutdown Current
  • Operates Reliably in Adverse Industrial Environments
  • Hiccup Mode Overload Protection
  • Adjustable Soft-Start
  • Built-In Output-Voltage Monitoring with Active-Low RESET
  • Programmable EN/UVLO Threshold
  • Monotonic Startup into Prebiased Load
  • Overtemperature Protection
  • High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

 

Applications

  • Base Station Power Supplies
  • Distributed Supply Regulation
  • General-Purpose Point-of-Load
  • High-Voltage, Single-Board Systems
  • Industrial Control Power Supplies
  • Wall Transformer Regulation

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