1.2 to 3.3V DC to DC Single Output Power Supply for Cable Modem

Reference Design using part LM2747 by Texas Instruments

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Manufacturer

Texas Instruments
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies
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Associated Documents

For End Products

  • ADSL Modem
  • Cable Modem
  • DSL Modem
  • Inkjet/laser jet Printer

Description

  • LM2747 is a voltage mode PWM buck controller which implements synchronous rectification. demo board has a VIN range of 8V to 14V and a LDO regulator, LP2937, powers VCC by regulating a 5V output voltage

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4 to 14 V
  • Output Voltage
    1.2 to 3.3 V
  • Efficiency
    96 %
  • Topology
    Buck

Featured Parts (4)

Featured Parts
Part Number Manufacturer Type Description
LM2747MTCX/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 1000kHz 14-Pin TSSOP T/R Buy
LM2747MTCX/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 1000kHz 14-Pin TSSOP T/R Buy
LM2747MTC/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 1000kHz 14-Pin TSSOP Tube Buy
LM2747MTC/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 1000kHz 14-Pin TSSOP Tube Buy

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