LT3971, 1.2A Buck Converters Draw Only 2.8A When Regulating Zero Load, Accept 38VIN or 55VIN

Reference Design using part LT3971 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 and Transportation
  • Industrial
  • Portable

Description

  • Circuit shows LT3971 can achieve Ultra Low input current while regulating a 3.3V output with no load

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4.5 to 38 V
  • Output Voltage
    3.3 V
  • Output Current
    1.2 A
  • Topology
    Buck

Featured Parts (18)

Featured Parts
Part Number Manufacturer Type Description
LT3971EMSE#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube Buy
LT3971IMSE-3.3#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin MSOP EP Tube Buy
LT3971EDD-3.3#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin DFN EP Tube Buy
LT3971IDD-3.3#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin DFN EP Tube Buy
LT3971EDD#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP Tube Buy
LT3971EMSE16#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 16-Pin MSOP EP Tube Buy
LT3971EMSE-3.3#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin MSOP EP Tube Buy
LT3971IMSE#PBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin MSOP EP Tube Buy
LT3971EMSE-3.3#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin MSOP EP T/R Buy
LT3971IMSE-3.3#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin MSOP EP T/R Buy
LT3971IDD-3.3#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 3.3V 1.2A 10-Pin DFN EP T/R Buy
LT3971EDD#TRPBF Analog Devices DC to DC Converter and Switching Regulator Chip Conv DC-DC 4.3V to 38V Synchronous Step Down Single-Out 1.19V to 30V 1.2A 10-Pin DFN EP T/R Buy
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