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LTM4637 - 20A DC/DC uModule Step-Down Regulator

Description

The LTM®4637 is a complete 20A output high efficiency switch mode step-down DC/DC µModule (micromodule) regulator.

Included in the package are the switching controller, power FETs, inductor and compensation components.

Features

  • n Complete 20A Switch Mode Power Supply n 4.5V to 20V Input Voltage Range n 0.6V to 5.5V Output Voltage Range n ±1.5% Total DC Output Voltage Error (.
  • 40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation for (VOUT ≤ 3.3V) n Current Mode Control/Fast Transient Response n Parallel Current Sharing (Up to 80A) n Frequency Synchronization n Selectable Pulse-Skipping or Burst Mode® Operation n Soft-Start/Voltage Tracking n Up to 88% Efficiency (12VIN, 1.8VOUT.

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Part Number Description
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Full PDF Text Transcription

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Features n Complete 20A Switch Mode Power Supply n 4.5V to 20V Input Voltage Range n 0.6V to 5.5V Output Voltage Range n ±1.5% Total DC Output Voltage Error (–40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation for (VOUT ≤ 3.3V) n Current Mode Control/Fast Transient Response n Parallel Current Sharing (Up to 80A) n Frequency Synchronization n Selectable Pulse-Skipping or Burst Mode® Operation n Soft-Start/Voltage Tracking n Up to 88% Efficiency (12VIN, 1.8VOUT) n Overcurrent Foldback Protection n Output Overvoltage Protection n Internal Temperature Monitor n Overtemperature Protection n 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.
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