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LINEAR TECHNOLOGY  DC1872A  DEMO BOARD, STEP DOWN DC/DC REGULATOR

LINEAR TECHNOLOGY DC1872A

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Product Overview

The DC1872A demonstration board features LTM4637EV high efficiency, high density DC to DC μModule regulator. The LTM4637EV is a complete 20A output high efficiency switch mode step down DC to DC μModule (micromodule) regulator. Included in the IC package are the switching controller, power FETs, inductor and compensation components. The input voltage range is from 4.5V to 20V. The output voltage is jumper programmable from 1.0V to 1.8V with a rated load current of 20A. Derating is necessary for certain VIN, VOUT, frequency and thermal conditions. The DC1872A offers the TRACK/SS pin, allowing the user to program output tracking or soft start period. The DC1872A allows the user to choose pulse skipping mode or burst mode operation for higher efficiency at light load conditions.
  • Operating frequency of 520KHz
  • 82.2% efficiency
  • ±1.5% total DC voltage output error
  • Differential remote sense amplifier for precision regulation (VOUT ≤ 3.3V)
  • Current mode control/fast transient response
  • Parallel current sharing up to 80A
  • Frequency synchronization
  • Internal temperature monitor
  • Soft start/voltage tracking
  • Overcurrent foldback protection

Applications

Power Management; Communications & Networking; Industrial; Medical

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Product Information

Silicon Manufacturer:
Linear Technology
Silicon Core Number:
LTM4637
Kit Application Type:
Power Management - Voltage Regulator
Application Sub Type:
Step Down DC / DC Regulator
Kit Contents:
Demonstration Board LTM4637
Product Range:
-
Features:
High Efficiency & High Density Switch Mode, Input Voltage of 4.5V to 20V, Load Current of 20A
SVHC:
No SVHC (17-Dec-2014)

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Legislation and Environmental

Applications

  • Power Management;
  • Communications & Networking;
  • Industrial;
  • Medical

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