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LTM4639IY#PBF

BGA-133 DC-DC Converters ROHS

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Overview of LTM4639IY#PBF

The LTM4639 is a complete 20A output high efficiency switch mode step-down DC/DC μModule (power module) regulator. Included in the package are the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 2.375V to 7V, the LTM4639 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Only a few input and output capacitors are needed.

Key Features

  • Complete 20A Switch Mode Power Supply
  • 2.375V to 7V Input Voltage Range (VIN < 4.5V, Need CPWR Bias)
  • 0.6V to 5.5V Output Voltage Range
  • ±1.5% Maximum Total DC Output Voltage Error (–40°C to 125°C)
  • Differential Remote Sense Amplifier for Precision Regulation (VOUT ≤ 3.3V)
  • Current Mode Control/Fast Transient Response
  • Parallel Multiphase Current Sharing (Up to 80A)
  • Frequency Synchronization
  • Selectable Pulse-Skipping or Burst Mode® Operation
  • Soft-Start/Voltage Tracking
  • Up to 88% Efficiency (3.3VIN, 1.5VOUT)
  • Overcurrent Foldback Protection
  • Output Overvoltage Protection
  • Internal Temperature Monitor
  • Overtemperature Protection
  • 15mm × 15mm × 4.92mm BGA Package

Application

  • Telecom Servers and Networking Equipment
  • Industrial Equipment
  • Medical Systems
  • High Ambient Temperature Systems
  • 3.3V Input Systems

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Switching Voltage Regulators RoHS Details
REACH Details Output Voltage 600 mV to 5.5 V
Output Current 20 A Input Voltage, Max 7 V
Number of Outputs 1 Output Topology Buck
Package / Case BGA-133 Mounting Style SMD/SMT
Switching Frequency 500 kHz Quiescent Current 45 uA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Series LTM4639 Input Voltage, Min 2.375 V
Brand Analog Devices Development Kit DC2166A
Input Voltage 2.375 V to 7 V Load Regulation 0.1 %
Moisture Sensitive Yes Operating Supply Current 25 mA
Product Type Switching Voltage Regulators Shutdown Shutdown
Factory Pack Quantity 119 Subcategory PMIC - Power Management ICs
Tradename uModule Type uModule Regulator
Unit Weight 0.096961 oz

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Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

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