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LTM4606 - Ultralow EMI 28VIN, 6A DC/DC μModule

Features

uModule Packaging, Assembly and Thermal Performance
  • For samples contact your local sales office
  • Click Here for LTM4606 Evaluation Kit
  • 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
  • Low Input and Output Referred Noise
  • 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
  • Ultrafast Transient Response
  • 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 (LTM4606MPV)
  • Small Surface Mount Footprint, Low Profile Package (15mm × 15mm × 2.8mm)

Typical Application

LTM4606
LTM4606
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Description

The LTM4606 is a complete ultralow 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® 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 a space saving and thermally enhanced 15mm × 15mm × 2.8mm LGA package, which enables utilization of unused space on the bottom of PC boards for high density point of load regulation. The LTM4606 is Pb-free and RoHS compliant.

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Packaging

15mm x 15mm x 2.82mm LGA

LTM4606
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Order Info

Package Variations and Pricing

Part Number Package Pins Temp Price (1-99) Price (1k)* RoHS Data
LTM4606EV#PBF LGA 133 E $23.57 $16.50 View
LTM4606IV#PBF LGA 133 I $25.93 $18.15 View
LTM4606MPV#PBF LGA 133 MP $53.00 $37.10 View
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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 Linear Technology sales office or authorized distributor.

Evaluation Kits

Part Number Description Price
DC1295A LTM4606EV Demo board | Low Noise High Voltage 28Vin/5Vout 6A DC/DC uModule $65.00
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Applications

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

LTSpice IV is a powerful FREE circuit simulator and schematic capture program, providing macro models for 80% of Linear Technology's switching regulators, over 200 op amp models, as well as resistors, transistors and MOSFET models.

  • Step 1. If you do not already have a copy of LTSpice IV, click here to download and install LTSpice / SwitcherCAD III

  • Step 2. Once LTSpice is installed, click here for a ready to run  demonstration circuit of the LTM4606.

  • Step 3. If LTspice IV does not automatically open after clicking the above link, 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 demonstartion circuit by selecting "Open" from the "File" menu.
For our complete list of hundreds of ready to run demo circuits, visit our LTspice IV Demo Circuits Collection
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