Typical Application for LT8640 42V, 5A Synchronous Step-Down Silent Switcher with 2.5 uA Quiescent Current

Reference Design using part LT8640 by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Automotive Power Supply
  • Industrial Power Supply
  • Telecom Power Supply

Description

  • Typical Application for LT8640 42V, 5A Synchronous Step-Down Silent Switcher with 2.5 uA Quiescent Current. The LT8640/LT8640-1 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    5.5 to 42 V
  • Output Voltage
    5 V
  • Output Current
    5 A
  • Topology
    Buck- Synchronous

Featured Parts (33)

Featured Parts
Part Number Manufacturer Type Description
LT8640JUDCF#WTRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Automotive AEC-Q100 Buy
LT8640JUDCF-1#WTRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Automotive AEC-Q100 Buy
LT8640EUDCF#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube Buy
LT8640JUDCF#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Buy
LT8640EUDC#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Buy
LT8640EUDC#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube Buy
LT8640JUDCF#WTRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Automotive AEC-Q100 Buy
LT8640IUDCF-1#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube Buy
LT8640EUDCF#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Buy
LT8640IUDC-1#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP Tube Buy
LT8640EUDC-1#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Buy
LT8640IUDCF-1#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 3.4V to 42V Synchronous Step Down Single-Out 0.97V to 41.58V 5A 18-Pin QFN EP T/R Buy
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