Analog Devices MAX17572 Product Info

• 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 V_IN 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

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 V_IN. 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.

Design Solution: Design 20W–30W Power Supplies with Over 90% Efficiency for 24V+ Industrial Automation Systems ›

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