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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersLTM8031MPV#PBF
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LTM8031MPV#PBF - Analog Devices Inc.

Manufacturer Part Number
LTM8031MPV#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTM8031MPV#PBF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
43,698 pcs available, New & Original
Parts Description
DC DC CONVERTER 0.8-10V
Package
71-LGA (15x9)
Data sheet
LTM8031MPV#PBF.pdf

Datasheets

LTM8031.pdf

PCN Design/Specification

Mark Conversion 21/Jul/2021.pdf

PCN Assembly/Origin

Mult Dev 28/Feb/2020.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 43698
  • Unit Price: $27.29
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $27.29 $27.29
200+ $10.56 $2,112.00
500+ $10.19 $5,095.00
1000+ $10.01 $10,010.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LTM8031MPV#PBF Tech Specifications
Analog Devices Inc. - LTM8031MPV#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTM8031MPV#PBF

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Output 3 -
Voltage - Output 2 -
Voltage - Output 1 0.8 ~ 10V
Voltage - Input (Min) 3.6V
Voltage - Input (Max) 36V
Type Non-Isolated PoL Module
Supplier Device Package 71-LGA (15x9)
Size / Dimension 0.59" L x 0.35" W x 0.11" H (15.0mm x 9.0mm x 2.8mm)
Series µModule®
Product Attribute Attribute Value
Package / Case 71-BLGA Module
Package Tray
Operating Temperature -40°C ~ 125°C
Number of Outputs 1
Mounting Type Surface Mount
Features -
Efficiency -
Current - Output (Max) 1A
Base Product Number LTM8031
Applications ITE (Commercial)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

LTM8031MPV#PBF Image
LTM8031MPV#PBF (1)

Manufacturer Part Number

LTM8031MPV#PBF

Manufacturer

Analog Devices, Inc.

Introduction

The LTM8031 is a high-efficiency, non-isolated, point-of-load (PoL) DC-DC converter module designed for space-constrained applications.

Product Features and Performance

High efficiency up to 95%

Wide input voltage range of 3.6V to 36V

Adjustable output voltage from 0.8V to 10V

Maximum output current of 1A

Fast transient response

Small size (15.0mm x 9.0mm x 2.8mm)

Highly integrated design with minimal external components

Product Advantages

Compact and space-saving design

Wide input voltage range for versatile applications

Adjustable output voltage for flexibility

High efficiency for improved power savings

Fast transient response for better system performance

Key Technical Parameters

Input voltage range: 3.6V to 36V

Output voltage range: 0.8V to 10V

Maximum output current: 1A

Switching frequency: 2MHz

Efficiency: Up to 95%

Operating temperature range: -40°C to 125°C

Quality and Safety Features

ROHS3 compliant

Tray packaging for reliable transportation

71-LGA (15x9) package for high-density mounting

Compatibility

Suitable for various ITE (commercial) applications.

Application Areas

Power supplies for embedded systems

Point-of-load (PoL) converters for computer and telecom equipment

Power conditioning for industrial automation and control systems

Product Lifecycle

The LTM8031 is an actively supported product, and there are no indications of it being near discontinuation. Replacement or upgrade options may be available from Analog Devices, Inc.

Several Key Reasons to Choose This Product

Compact and space-saving design for tight-space applications

Wide input voltage range and adjustable output voltage for versatility

High efficiency up to 95% for improved power savings

Fast transient response for better system performance

Highly integrated design with minimal external components for simplified design

Frequently Asked Questions(FAQ)

What are the key input voltage specifications for the LTM8031MPV#PBF, and how does this impact system design in industrial or commercial applications?
The LTM8031MPV#PBF supports a continuous input voltage range from 3.6V to 36V, enabling it to interface with a broad spectrum of power rails commonly found in industrial and ITE equipment. This wide compatibility reduces the need for multiple DC-DC converter types across different system designs, simplifying inventory and easing board-level integration. Designers must ensure that any transient conditions or ripple on the input rail remain within these bounds to prevent instability or shutdown.
How does the LTM8031MPV#PBF achieve precise output regulation, and what role does its switching frequency play in efficiency and thermal performance?
The LTM8031MPV#PBF utilizes a high-frequency switching architecture, though exact frequency is not specified in public documentation, which is typical for Analog Devices µModule® devices where internal optimization takes precedence over external configurability. High-frequency operation allows for compact magnetics and small passive components, critical for space-constrained applications. This contributes to high efficiency under load, especially at moderate to high input-output differentials, though peak efficiency may vary depending on operating point and ambient temperature.
Can the LTM8031MPV#PBF be used in battery-powered systems, and what considerations apply for long-term reliability and power consumption during sleep modes?
Yes, the LTM8031MPV#PBF can support battery-powered systems due to its wide input range, which accommodates varying battery voltages as they discharge. While the datasheet does not specify quiescent current or shutdown modes explicitly, µModule® converters typically feature low standby power. For extended battery life, designers should evaluate total system quiescent current and ensure the module remains active during critical periods without excessive leakage.
How does the LTM8031MPV#PBF compare to discrete buck controller implementations in terms of PCB real estate and design complexity for space-constrained ITE applications?
Compared to discrete solutions, the LTM8031MPV#PBF integrates inductor, switches, compensation, and control logic into a single 71-BLGA package measuring just 15mm x 9mm, reducing footprint by up to 60–70% versus typical discrete layouts. This enables higher power density and significantly lowers design risk by minimizing layout-dependent issues such as parasitic inductance and feedback loop instability—critical in compact ITE enclosures where airflow and heat dissipation are limited.
What are the thermal implications of operating the LTM8031MPV#PBF at full load near its maximum junction temperature, and how should heatsinking be evaluated for reliable operation?
At 1A output and elevated input-to-output differentials, the LTM8031MPV#PBF generates measurable conduction and switching losses. Without forced airflow, sustained operation near 125°C ambient may require careful evaluation of copper area and thermal vias under the module. While no explicit thermal resistance (θJA) is provided, Analog Devices typically specifies derating curves; designers should assume moderate self-heating and conduct empirical testing under worst-case conditions to ensure long-term reliability.
Is it possible to parallel multiple LTM8031MPV#PBF modules to increase output current, and what challenges arise in sharing load effectively?
Parallel operation of LTM8031MPV#PBF units is generally not recommended due to the lack of built-in current sharing mechanisms. Without master-slave coordination or external balancing networks, one unit may carry disproportionate current, leading to thermal stress and reduced lifespan. Instead, designers should consider higher-current variants or alternative topologies unless tightly regulated paralleling with sense resistors and feedback isolation is implemented.
How does the LTM8031MPV#PBF handle input transients above 36V, and what protection features are integrated to safeguard connected loads?
The LTM8031MPV#PBF has an absolute maximum input rating of 36V, meaning voltages exceeding this threshold risk damaging internal circuitry regardless of duration. It does not include overtemperature or overvoltage lockout; thus, external protection such as transient voltage suppressors (TVS) or input fuses is strongly advised when interfacing with inductive loads or systems subject to surges.
What are the implications of using the LTM8031MPV#PBF in environments with high humidity or exposure to moisture, given its packaging and MSL classification?
The LTM8031MPV#PBF has an MSL rating of 3 (168 hours), indicating it can withstand two reflow cycles without additional dry packing if stored properly. However, as a surface-mount module with exposed die and bond wires, it lacks conformal coating unless applied post-manufacturing. In high-humidity industrial settings, long-term exposure without protective measures may accelerate corrosion, particularly at fine interconnects.
How does the LTM8031MPV#PBF perform in terms of electromagnetic emissions compared to discrete regulators, and what layout practices minimize radiated noise in commercial electronics?
Due to its integrated construction and optimized internal routing, the LTM8031MPV#PBF generally exhibits lower radiated emissions than poorly laid-out discrete solutions. However, high di/dt edges from fast switching still generate conducted noise. Proper grounding, short input/output traces, and placing decoupling capacitors directly at pin connections are essential to contain common-mode currents and meet FCC/CE requirements in ITE applications.
Can the LTM8031MPV#PBF be used in automotive environments, and what modifications or certifications would be needed for compliance with AEC-Q100?
No, the LTM8031MPV#PBF is not qualified to AEC-Q100 standards and is intended for commercial ITE use. Operating temperatures up to 125°C suggest some robustness, but automotive systems demand stricter qualification, including vibration, thermal cycling, and fault tolerance. Using this part in automotive designs would require extensive validation beyond standard industrial testing and likely void warranty or certification claims.
What are the advantages of using the LTM8031MPV#PBF over older-generation linear regulators when stepping down from a 24V industrial bus to a 3.3V microcontroller supply?
Unlike linear regulators, which dissipate (24V - 3.3V) × I = 20.7W per amp—rendering them impractical at 1A—the LTM8031MPV#PBF uses switching topology to convert 24V to 3.3V with minimal loss. This results in efficiencies often exceeding 90%, drastically reducing heat generation and enabling compact designs without heatsinks. The result is a viable, high-density solution for modern microcontrollers in industrial control systems.
How does the output voltage accuracy of the LTM8031MPV#PBF behave across temperature and aging, and what calibration might be needed in precision analog subsystems?
While exact output tolerance isn't detailed in abbreviated datasheets, Analog Devices typically specifies ±1–2% initial accuracy for µModule regulators like the LTM8031MPV#PBF. Over time and temperature extremes (-40°C to +125°C), drift may approach ±3%. For precision analog rails requiring <1% stability, external trimming or post-regulation may be necessary after initial characterization.
What is the significance of the RoHS3 and REACH compliance status of the LTM8031MPV#PBF, and how do these affect global market access and supply chain logistics?
RoHS3 compliance ensures the absence of restricted substances like lead, mercury, and cadmium, facilitating entry into markets such as the EU and China. REACH Unaffected status indicates no SVHC (Substances of Very High Concern) content above threshold levels, simplifying regulatory reporting. These designations reduce customs delays and support sustainable sourcing strategies, especially in large-scale deployments across multinational ITE installations.
How should the LTM8031MPV#PBF be mounted and routed on a PCB to maintain optimal performance and manufacturability in high-volume production?
The LTM8031MPV#PBF requires careful attention to pad soldering and thermal management. Use sufficient copper pour and multiple thermal vias beneath the module to enhance heat transfer to inner layers. Keep input and output capacitors close to the device, with Kelvin connections for feedback sensing. During assembly, ensure proper reflow profile adherence due to fine pitch BLGA geometry—improper soldering may cause open joints or bridging.
Can the LTM8031MPV#PBF operate in discontinuous conduction mode (DCM) under light loads, and what effect does this have on output ripple and noise?
Yes, the LTM8031MPV#PBF likely transitions to DCM at light loads to maintain efficiency. While DCM can reduce switching losses, it increases output ripple and may introduce subharmonic oscillations if not properly compensated. Designers should verify stability under minimum load conditions using oscilloscope measurements and consider adding a small preload resistor if excessive ripple impacts downstream analog circuits.
What alternatives exist if the LTM8031MPV#PBF cannot meet a required efficiency target at partial load, and how do synchronous vs. asynchronous architectures compare in this context?
If efficiency drops below acceptable thresholds at light loads, alternatives like the LTC3824 or LTC3639—discrete synchronous controllers—may offer better dynamic performance. Synchronous rectification improves efficiency over diode-based designs, especially at low Vout/Vin ratios. However, these require external MOSFETs and inductors, increasing board complexity. The LTM8031MPV#PBF remains advantageous when simplicity and size outweigh marginal efficiency gains.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTM8031MPV#PBF

Product Attribute LTM8031MPV#PBF LTM8031EV#PBF LTM8031IV#PBF LTM8032EV#PBF
Part Number LTM8031MPV#PBF LTM8031EV#PBF LTM8031IV#PBF LTM8032EV#PBF
Manufacturer Linear Technology Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Current - Output (Max) - - - -
Efficiency - - - -
Voltage - Input (Max) - - - -
Voltage - Output 3 - - - -
Voltage - Output 2 - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Features - - - Simultaneous Sampling
Applications - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Outputs - - - -
Voltage - Output 1 - - - -
Voltage - Input (Min) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Size / Dimension - - - -
Type - - - -

LTM8031MPV#PBF Datasheet PDF

Download LTM8031MPV#PBF pdf datasheets and Analog Devices Inc. documentation for LTM8031MPV#PBF - Analog Devices Inc..

Datasheets
LTM8031.pdf
PCN Design/Specification
Mark Conversion 21/Jul/2021.pdf
PCN Assembly/Origin
Mult Dev 28/Feb/2020.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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LTM8031MPV#PBF Image

LTM8031MPV#PBF

Analog Devices Inc.
32D-LTM8031MPV#PBF

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