Configurable Buck DC/DCs Deliver a Total of 8A from 2 to 4 Independent Outputs for Power System Flexibility

LTC3371 – 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset

Configurable Buck

Features

  • 8 × 1A Buck Power Stages Configurable as 2, 3, or 4 Output Channels
  • 8 Unique Output Configurations (1A to 4A Per Channel)
  • Independent VIN Supplies for Each DC/DC (2.25V to 5.5V)
  • Low Total No Load Supply Current:
    15μA In Shutdown (All Channels Off)
    68μA One Channel Active in Burst Mode® Operation
    18μA Per Additional Channel
  • Enable Pin Thresholds for Autonomous Sequencing
  • 1MHz to 3MHz RT Programmable Frequency (2MHz Default) or PLL Synchronization
  • Temp Monitor Indicates Die Temperature
  • CT Programmed Watchdog Timer
  • Independent RST Pins Indicate Buck in Regulation
  • 38-Lead 5mm × 7mm QFN and TSSOP Packages

For more detail: Configurable Buck DC/DCs Deliver a Total of 8A from 2 to 4 Independent Outputs for Power System Flexibility

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