1.5V, 2.5V, 3.3V DC to DC Multi-Output Power Supply for DSL Modem

Reference Design using part LP3872 by Texas Instruments

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Manufacturer

Texas Instruments
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Multi-Output Power Supplies

Associated Documents

For End Products

  • DSL Modem
  • HDD/DVD Recorder
  • Processor Power Management
  • Set-Top Box
  • USB Wireless

Description

  • LP3872, is an LM2642 high efficiency three output step-down regulator

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    18 to 21 V
  • Output Voltage
    1.5|2.5|3.3 V
  • Output Current
    0.9@2.5V|1.75@3.3V|3.7@1.5V A
  • Topology
    Buck

Featured Parts (38)

Featured Parts
Part Number Manufacturer Type Description
LM26420XSQ Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 5.5V Synchronous Step Down Dual-Out 0.8V to 4.5V 2A/2A 16-Pin WQFN EP T/R Buy
LM2642MTCX Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP T/R Buy
LM2642MTC Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP Tube Buy
LM2642MTCX/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP T/R Buy
LM2642MTC/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP Tube Buy
LM2642MTCX/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP T/R Buy
LM26420XMHX Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 5.5V Synchronous Step Down Dual-Out 0.8V to 4.5V 2A/2A 20-Pin HTSSOP EP T/R Buy
LM2642MTC/NOPB Texas Instruments DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 28-Pin TSSOP Tube Buy
LM26420YMH Texas Instruments DC to DC Converter and Switching Regulator Chip Conv DC-DC 3V to 5.5V Synchronous Step Down Dual-Out 0.8V to 4.5V 2A/2A 20-Pin HTSSOP EP Rail Buy
LP3872EMP-5.0/NOPB Texas Instruments Linear Regulators LDO Regulator Pos 5V 1.5A 5-Pin(4+Tab) SOT-223 T/R Buy
LP3872EMPX-3.3/NOPB Texas Instruments Linear Regulators LDO Regulator Pos 3.3V 1.5A 5-Pin(4+Tab) SOT-223 T/R Buy
LP3872ES-1.8/NOPB Texas Instruments Linear Regulators LDO Regulator Pos 1.8V 1.5A 6-Pin(5+Tab) DDPAK Tube Buy
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