LTM4668

RECOMMENDED FOR NEW DESIGNS

Quad DC/DC µModule Regulator with Configurable 1.2A Output Array

Data Sheet (Rev. D) Product Selection Table
Part Models
2
1ku List Price
Starting From $7.71
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Part Details

  • Quad Output Step-Down µModule Regulator with 1.2A per Output Channel
  • Wide Input Voltage Range: 2.7V to 17V
  • 0.6V to 1.8V Output Voltage
  • 1.2A DC, Parallelable, Output Current Each Channel
  • ±1.5% Total Output Voltage Regulation
  • 100% Duty Cycle Operation
  • Current Mode Control, Fast Transient Response
  • External Frequency Synchronization
  • Selectable Burst Mode® Operation
  • Power Good Indicator
  • Over Voltage, Current and Temperature Protection
  • 6.25mm × 6.25mm × 2.1mm BGA Package
  • Pin Compatible with LTM4668A (0.6V to 5.5V
    Output, 2.25MHz)
LTM4668
Quad DC/DC µModule Regulator with Configurable 1.2A Output Array
LTM4668 Application Circuit LTM4668 Performance Graph LTM4668 Pin Configuration
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1

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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTM4668
  • LTM4668A

LTpowerCAD 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
DC2785A-A

LTM4668 Tiny Quad 1.2A Output Step-Down µModule Regulator

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Product Details

Demonstration circuit 2785A-A features the LTM4668 µModule® regulator, a Quad 1.2A high efficiency step-down regulator. DC2785A-A has an operating input voltage range of 2.7V to 17V and can provide an output current of up to 1.5A. The output voltage can be programmed from 0.6V up to 1.8V. The LTM4668 is a complete DC/DC point of load regulator in a thermally enhanced 6.25mm × 6.25mm × 2.1mm BGA package requiring only a few input and output capacitors.

External clock synchronization is available through the CLKIN turret. The LTM4668 data sheet must be read in conjunction with this demo manual for working on or modifying demo circuit 2785A-A.
DC2785A-A
LTM4668 Tiny Quad 1.2A Output Step-Down µModule Regulator
DC2785A-A Image

Reference Designs

agilex7 alternative umodule
agilex7 alternative umodule
Intel Agilex 7 FPGA F-series Development Kit (Alternative µModule) Circuits from the lab

Altera FPGA

View Detailed Reference Design

Features and Benefits

  • Intel Agilex 7 F-Series devices target a wide range of applications across many markets. This series offers transceiver rates up to 58 Gbps, advanced DSP blocks supporting multiple precisions of fixed-point and floating-point operations, and high-performance crypto blocks.
  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • Our reference designs are supported by an intuitive design tool set and IP.
  • ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
  • For a complete list power designs and use cases, please contact your local FAE.
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Circuits from the lab

Altera FPGA

View Detailed Reference Design

Features and Benefits

  • Intel Agilex 7 F-Series devices target a wide range of applications across many markets. This series offers transceiver rates up to 58 Gbps, advanced DSP blocks supporting multiple precisions of fixed-point and floating-point operations, and high-performance crypto blocks.
  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications.
  • Our reference designs are supported by an intuitive design tool set and IP.
  • ADI provides supporting documentation including LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly. Our team can provide samples and/or evaluation boards for quick validation that can speed time to market in the most complex applications.
  • For a complete list power designs and use cases, please contact your local FAE.
Intel Agilex 7 FPGA F-series Development Kit (Alternative µModule)
Altera FPGA
agilex7 alternative umodule
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile)
Altera FPGA
Intel Agilex 7 FPGA F-series Development Kit (P-Tile and E-Tile) Power Tree

Latest Discussions

1 Years Ago
RE: Would like output inductor value for LTM4668AIY.
2 Years Ago
RE: LTM4668 soft-start time
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