LTM4606

RECOMMENDED FOR NEW DESIGNS

Ultralow EMI 28VIN, 6A DC/DC μModule Regulator

Data Sheet (Rev. E) Product Selection Table
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Overview

  • 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

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
LTM4606
Ultralow EMI 28VIN, 6A DC/DC μModule Regulator
LTM4606 Application Circuit LTM4606 Pin Configuration LTM4606 Pin Configuration LTM4606 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 2

User Guide 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTM4606
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.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC1295B

LTM4606EV Demo Board | EN55022B Compliant, 4.5V ≤ VIN ≤ 28V, VOUT = 0.6V to 5V at 6A

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Product Details

Demonstration circuit DC1295B features the LTM4606EV, an EN55022 Class B certified, switch mode step-down power module. The input voltage range is from 4.5V to 28V with a jumper programmable output voltage from 0.6V to 5V. The rated load current is 6A, while derating is necessary for certain VIN, VOUT, and thermal conditions.


The LTM4606 allows the user to program output ramp-up and ramp-down through the TRACK/SS pin.
DC1295B
LTM4606EV Demo Board | EN55022B Compliant, 4.5V ≤ VIN ≤ 28V, VOUT = 0.6V to 5V at 6A
DC1295B Demo Board DC1295B Demo Board DC1295B Demo Board DC1295B Demo Board DC1295B - Schematic

Latest Discussions

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About LTM4606 input capaciter selection
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