Overview
Features and Benefits
- Complete Low EMI Switch Mode Power Supply
- EN55022 Class B Compliant
- Wide Input Voltage Range: 5V to 36V
- 8A Output Current
- 3.3V to 15V Output Voltage Range
- Low Input and Output Referred Noise
- Output Voltage Tracking and Margining
- PLL Frequency Synchronization
- 2% Maximum Total DC Error
- Power Good Tracks with Margining
- Current Foldback Protection
- Parallel/Current Sharing
- Ultrafast Transient Response
- Current Mode Control
- Programmable Soft-Start
- Output Overvoltage Protection
- –55°C to 125°C Operating Temperature Range (LTM4613MPV, LTM4613MPY)
- Small Surface Mount Footprint, Low Profile (15mm × 15mm × 4.32mm) LGA Package
Product Details
The LTM4613 is a complete, ultralow noise, 8A switch mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage range of 5V to 36V, the LTM4613 supports an output voltage range of 3.3V to 15V, set by a single external resistor. 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 on-board input filter and noise cancellation circuits achieve low noise coupling, thus effectively reducing the electromagnetic interference (EMI)—see Figure 7. Furthermore, the DC/DC μModule® regulator can be synchronized with an external clock to reduce undesirable frequency harmonics and allow PolyPhase® operation for high load currents.
The LTM4613 is offered in a space saving and thermally enhanced 15mm × 15mm × 4.32mm LGA package, which enables utilization of unused space on the bottom of PC boards for high density point-of-load regulation. The LTM4613 is Pb-free and RoHS compliant.
Applications
- Telecom and Networking Equipment
- Industrial and Avionic Equipment
- RF Systems
Product Categories
Markets and Technologies
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
Documentation & Resources
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R504 Reliability Data3/26/2018PDF347 K
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EMI Test Report (LTM4613/EN55022B)3/23/2018PDF1 M
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DC1743A - Demo Manual5/13/2011PDF376K
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μModule Power Products Simplify Power4/11/2018PDF9 M
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SnPb (Tin-Lead) BGA Packages μModule Power Products7/13/2017PDF1M
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Low EMI μModule Regulators6/22/2017PDF327K
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μModule Power Products4/4/2017PDF10M
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.

Models for the following parts are available in LTspice:
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.
PCN-PDN Information
Support & Discussions
LTM4613 Discussions
Sample & Buy
Ordering FAQs
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Buy Now Pricing
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List Pricing
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Lead Times
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Sampling
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Evaluation Boards
Pricing displayed is based on 1-piece.
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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.