LTC1929, PCI-bus powered, dual-input PolyPhase power supply

Reference Design using part LTC1929 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

  • Desktops and Servers
  • Laptop
  • Notebook
  • Power Supplies

Description

  • Circuit shows LTC1929 PCI-bus powered, dual-input PolyPhase power supply. The currents available from a PCI connector are limited to 2A for the 5V supply and 1A for the 12V supply. In the example shown here, the load can be as high as 6A or 16.8W at 2.8V

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    5|12 V
  • Output Voltage
    2.8 V
  • Output Current
    6 A
  • Output Power
    16.8 W
  • Efficiency
    90 %
  • Topology
    Buck

Featured Parts (8)

Featured Parts
Part Number Manufacturer Type Description
LTC1929CG#TRPBF Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP T/R Buy
LTC1929IG#PBF Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP Tube Buy
LTC1929CG#PBF Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP Tube Buy
LTC1929IG#TR Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP T/R Buy
LTC1929CG Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP Buy
LTC1929IG Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP Buy
LTC1929IG#TRPBF Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP T/R Buy
LTC1929IG#TR (CUT T&R) Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 3A 300kHz 28-Pin SSOP T/R Buy

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