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The RT2872 is a high efficiency, current-mode synchronous step-down DC/DC converter that can deliver up to 3A output current over a wide input voltage range from 4.5V to 36V. The device integrates 105m&Omega; high-side and 80m&Omega; low-side MOSFETs to achieve high conversion efficiency. The current-mode control architecture supports fast transient response and simple external compensation. <p align="justify">A cycle-by-cycle current limit function provides protection against shorted output and an internal soft-start eliminates input current surge during start-up. The RT2872 provides complete protection functions such as input under-voltage lockout, output under-voltage protection, over-current protection and thermal shutdown. </p><p align="justify">The RT2872 is available in the thermal enhanced SOP-8 (Exposed Pad) package.</p>
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  • 4.5V to 36V Input Voltage Range
  • 3A Output Current
  • Internal N-MOSFETs
  • Current Mode Control
  • Frequency Operation : 300kHz to 1MHz
  • Adjustable Output Voltage from 0.8V to 30V
  • High Efficiency Up to 95%
  • Stable with Low ESR Ceramic Output Capacitors
  • Cycle-by-Cycle Current Limit
  • Input Under-Voltage Lockout
  • Output Under-Voltage Protection
  • Thermal Shutdown
  • AEC-Q100 Grade 3 Certification
  • RoHS Compliant and Halogen Free
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Point of Load Regulator in Distributed Power Systems<br />Digital Set Top Boxes<br />Broadband Communications<br />Vehicle Electronics<br />Automotive Audio, Navigation, and Information Systems<br />Enterprise Datacom Platforms Point of Load (POL) <br />Industrial Grade General Purpose Point of Load
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