Typical Application for ADP1875 Synchronous Buck Controller with Constant On-Time and Valley Current Mode

Reference Design using part ADP1875ARQZ 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

  • Networking
  • Power Supplies
  • Servers
  • Set-Top Box
  • Telecommunication System

Description

  • Typical Application for ADP1875 Synchronous Buck Controller with Constant On-Time and Valley Current Mode. The ADP1874/ADP1875 are versatile current mode, synchronous step-down controllers. They provide superior transient response, optimal stability, and current-limit protection by using a constant on-time, pseudo fixed frequency with a programmable current limit, current control scheme. In addition, these devices offer optimum performance at low duty cycles by using a valley, current mode control architecture. This allows the ADP1874/ADP1875 to drive all N-channel power stages to regulate output voltages to as low as 0.6 V.

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    2.95 to 20 V
  • Topology
    Buck- Synchronous

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
ADP1875ARQZ-0.6-R7 Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 16-Pin QSOP T/R Buy
ADP1875ARQZ-1.0-R7 Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 16-Pin QSOP T/R Buy
ADP1875ARQZ-0.3-R7 Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Down 16-Pin QSOP T/R Buy

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