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Overview

Features and Benefits

  • Complete Low EMI Switch Mode Power Supply
  • Wide Input Voltage Range: 4.5V to 28V
  • 6A DC Typical, 8A Peak Output Current
  • 0.6V to 5V Output Voltage Range
  • EN55022 Class B Certified
  • Output Voltage Tracking and Margining
  • PLL Frequency Synchronization
  • ±1.75% Total DC Error
  • Power Good Output
  • Current Foldback Protection (Disabled at Start-Up)
  • Parallel/Current Sharing
  • Current Mode Control
  • Up to 93% Efficiency at 5VIN, 3.3VOUT
  • Programmable Soft-Start
  • Output Overvoltage Protection
  • –55°C to 125°C Operating Temperature Range (LTM4606MP)
  • SnPb or RoHS Compliant Finish
  • 15mm × 15mm × 2.82mm LGA Package
    15mm × 15mm × 3.42mm BGA Package

Product Details

The LTM4606 is a complete EN55022 Class B certified noise high voltage 6A switching mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. The on-board input filter and noise cancellation circuits achieve low noise operation, thus effectively reducing the electromagnetic interference (EMI). Operating over an input voltage range of 4.5V to 28V, the LTM4606 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to finish the design.

High switching frequency and an adaptive on-time current mode architecture enables a very fast transient response to line and load changes without sacrificing stability. The device supports output voltage tracking and output voltage margining.

Furthermore, the μModule® regulator can be synchronized with an external clock for reducing undesirable frequency harmonics and allows PolyPhase® operation for high load currents.

The LTM4606 is offered in space saving 15mm × 15mm × 2.82mm LGA and 15mm × 15mm × 3.42mm BGA packages. The LTM4606 is available with SnPb (BGA) or RoHS compliant terminal finish.

Applications

  • ASICs or FPGA Transceivers
  • Telecom, Servers and Networking Equipment
  • Industrial Equipment
  • RF Equipment

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Tools & Simulations

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

LTspice

Models for the following parts are available in LTspice:

LTM4606

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.

LTPowerCAD

Design tools for the following parts are available in LTpowerCAD:

LTM4606

Product Recommendations

LTM4606 Companion Parts

Recommended Related Parts

Recommended Suggested Oscillator

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.