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LTM4639 - 20A DC/DC uModule Step-Down Regulator

Description

n Complete 20A Switch Mode Power Supply n 2.375V to 7V Input Voltage Range (VIN < 4.5V, Need CPWR Bias) n 0.6V to 5.5V Output Voltage Range n ±1.5% Maximum Total DC Output Voltage Error ( 40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation (VOUT ≤ 3.3V) n Cur

Features

  • Low VIN 20A DC/DC µModule Step-Down Regulator.

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Full PDF Text Transcription

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LTM4639 FEATURES Low VIN 20A DC/DC µModule Step-Down Regulator DESCRIPTION n Complete 20A Switch Mode Power Supply n 2.375V to 7V Input Voltage Range (VIN < 4.5V, Need CPWR Bias) n 0.6V to 5.5V Output Voltage Range n ±1.5% Maximum Total DC Output Voltage Error (–40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation (VOUT ≤ 3.3V) n Current Mode Control/Fast Transient Response n Parallel Multiphase 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 (3.3VIN, 1.5VOUT) n Overcurrent Foldback Protection n Output Overvoltage Protection n Internal Temperature Monitor n Overtemperature Protection n 15mm × 15mm × 4.
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