MAX15046B

40V, High-Performance, Synchronous Buck Controller

40V Industrial Controller Operates at 1MHz

Data Sheet (Rev. 3)
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Part Details

  • Input Voltage Ranges from 4.5V to 40V or 5V ±10%
  • Adjustable Outputs from 0.85 x VIN Down to 0.6V
  • Adjustable Switching Frequency (100kHz to 1MHz) with ±10% (1MHz) Accuracy
  • Adaptive Internal Digital Soft-Start
  • Up to 25A Output Capability
  • Cycle-by-Cycle Valley-Mode Current Limit with Adjustable, Temperature-Compensated Threshold (30mV to 300mV)
  • Monotonic Startup into Prebiased Output
  • ±1% Accurate Voltage Reference
  • 90% Maximum Duty Cycle (MAX15046C)
  • 3A-Peak Gate Drivers
  • Hiccup-Mode Short-Circuit Protection
  • Overtemperature Shutdown
  • Power-Good (PGOOD) Output and Enable Input (EN) with ±5% Accurate Threshold
  • Thermally Enhanced 16-Pin QSOP Package
MAX15046B
40V, High-Performance, Synchronous Buck Controller
MAX15046: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 2

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