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Solutions Search - µModule Regulators

Electrolytic Capacitor-Based Data Backup Power Solution for a 12V System Regulated from 5V to 36V Input

Victor Khasiev - Applications Engineer Jul 5th 2016
Design Note 553: Introduction Data loss is a concern in telecom, industrial and automotive applications where embedded systems depend on a consistent supply of power. Sudden power interruptions can corrupt data during read and write operations for hard drives and flash memory. Often, embedded systems need just 10ms to 50ms ...

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A New Era in Space Products - Radiation Tolerant

T.J. Fure - Product Marketing Manager
Gabino Alonso - Strategic Marketing Engineer
Mar 23rd 2016
Recent developments have made doing business in space ever more achievable to a broadening base of companies. A market previously consisting solely of major defense contractors and national governments has been disrupted by a growing list of commercial companies determined to deploy an enterprise beyond the confines of our ...

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Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions

Afshin Odabaee - Business Manager - uModule Power Products Feb 19th 2016
Design Note DN549: Introduction FPGA development kits allow system developers to evaluate an FPGA without having to design a complete system. Figures 1 and 2 show Altera’s new 20nm Arria 10 FPGAs and Arria 10 SoCs (System-on-Chip) development boards. These boards are tested and verified by Altera, exemplifying best design ...

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Ultrathin Dual 2.5A or Single 5A μModule Regulator Fits on the Backside of PCBs, Allowing Space on the Topside for Digital ICs

Afshin Odabaee - Business Manager - uModule Power Products
Sam Young - Applications Engineer
Nov 23rd 2015
Design Note 546: Introduction The top side of a typical system board, such as a PCIe card, is densely populated with FPGAs/ASICs/ microprocessors, transceivers, connectors, memory ICs and DC/DC regulators, while the backside is often unused. This is a common side effect of the significant difference in top vs back side height ...

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Spread Spectrum Frequency Modulation Reduces EMI

Kevin B. Scott - Senior Strategic Marketing Engineer
Greg Zimmer - Senior Product Marketing Engineer
Nov 4th 2015
Electromagnetic Radiation (EMR), Electromagnetic Interference (EMI) and Electromagnetic Compliance (EMC) are terms that pertain to energy from electrically charged particles and the associated magnetic fields that can potentially interfere with circuit performance and signal transmissions. With the proliferation of wireless ...

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Signal Level Shifting with μModule Regulator for Positive-to-Negative Inverting Appliications

Sam Young - Applications Engineer Sep 3rd 2015
Introduction Linear μModule regulators are perfect for point-of-load supplies because their easy-to-drop-in, compact, all-in-one design. They fit tight spaces with minimal engineering effort—only a few components are required in addition to the µModule package itself. Any step-down µModule ...

Blog Post LTspice 

 

Dual 9A, Step-Down μModule Regulator with Digital Power System Management

Jian Li - Applications Engineering Section Leader
Yingyi Yan - Application Engineer
Marvin Macairan - Associate Applications Engineer
Jul 16th 2015
Design Note 542: Introduction The LTM4675 is a dual 9A or single 18A step-down μModule® (micromodule) DC/DC regulator featuring remote configurability and telemetry monitoring of power system management (PSM) parameters over PMBus—an open standard I2C-based digital interface protocol. Its 6mm × 11.9mm × ...

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36V Input, 8.5A Buck-Boost μModule Regulator Easily Parallels for Increased Power

Andy Radosevich - Applications Engineer Jun 16th 2015
Design Note DN540: Introduction The LTM®8055 is a buck-boost μModule® regulator with a 5V to 36V input range that can be easily paralleled to extend load current capability. Its 4-switch buck-boost topology features high efficiency while allowing the input voltage to be below, at or above the output—with smooth ...

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Buck-Boost μModule Regulator's External Current Sense Resistor For Paralleling ICs, Current Sharing and Overcurrent Protection

Kevin B. Scott - Senior Strategic Marketing Engineer Mar 17th 2015
Linear Technology's µModule 4-switch buck-boost regulators provide an integrated, high-efficiency solution for applications where the input voltage can be either above or below the desired output voltage. These fixed frequency, current mode devices require only a few external components to provide a minimal design ...

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Linduino PSM

Michael Jones - Applications Engineer Mar 12th 2015
While many engineers use a dongle and tools to configure Power System Management devices via PMBus, a growing number of designs are adding Board Management Controllers, or connecting their PMBus to an existing microcontroller or application processer. At LTC, the dongle/tool option is comprised of a DC1613 and LTpowerPlay, and ...

Blog Post Linduino 

 

High Efficiency 6-Phase 80A Step-Down Regulator using LTM4630 (x3)

Haoran Wu - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jul 31st 2014
The LTM®4630 is a dual 18A or single 36A output switching mode step-down DC/DC μModule® (micromodule) regulator. Included in the package are the switching controllers, power FETs, inductors, and all supporting components. Operating from an input voltage range of 4.5V to 15V, the LTM4630 supports two outputs each with ...

Blog Post Circuit LTspice 

 

Increasing Output Voltage and Current Range Using Series-Connected Isolated μModule Converters

Jesus Rosales - Applications Engineer
Willie Chan - Sr PME Power Modules
Jul 22nd 2014
Design Note DN530: Introduction Linear Technology’s isolated μModule® converters are compact solutions for breaking ground loops. These converters employ a flyback architecture whose maximum output current varies with input voltage and output voltage. Although their output voltage range is limited to a maximum ...

Blog Post Circuit LTspice 

 

TechClip Videos – Real, Repeatable Performance

Willie Chan - Sr PME Power Modules Jun 23rd 2014
With the advent of internet services like YouTube, product videos have become an important means for manufacturers to demonstrate the capabilities of their wares to customers, consumers and businesses alike. However, much like the products themselves, the quality and content of all product videos is not the same. Inspired by ...

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10A μModule Step-Down Regulator with Advanced Input and Load Protection

Yan Liang - Applications Engineer May 7th 2014
Introduction Bus voltage surges pose a danger not only to the DC/DC converter, but also to the load. Traditional overvoltage protection schemes involving a fuse are not necessarily fast enough, nor dependable enough to protect loads such as FPGAs, ASICs and microprocessors. A better solution is to accurately and quickly detect ...

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LTM8050 TechClips - 58V, 2A Step-Down μModule Regulator

Willie Chan - Sr PME Power Modules
Dong Wang - Applications Engineer
Apr 30th 2014
Inverting (Negative) Outputs With a relatively wide input voltage and output voltage range, the LTM8050 is well suited for Inverting applications when a negative output voltage is desired. Watch the LTM8050 deliver a -12V output at 1.5A from a 24V Input with 83% efficiency and just a 54°C temperature rise over ambient. Highly ...

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LTM4644 TechClips - Efficiency and Thermal Performance

Sam Young - Applications Engineer
Willie Chan - Sr PME Power Modules
Apr 13th 2014
The LTM4644 is a quad 4A step-down µModule regulator configurable as a quad, triple, dual or single output power supply in a small 9 x 15 x 5.01mm BGA. The high number of output options available in one package caters to the needs of FPGAs, ASICs and image sensors. Configured as a quad output, observe how the LTM4644 ...

Blog Post Video 

 

LTM4624 TechClips - Efficiency, Thermal and Load Transient Performance

Sam Young - Applications Engineer
Willie Chan - Sr PME Power Modules
Apr 13th 2014
The LTM4624 is a 4A step-down µModule regulator in a tiny 6.25 x 6.25 x 5.01mm package. Requiring just two 1206 case size ceramic capacitors and a 0603 resistor for operation, the LTM4624 step-down solution requires less than one square centimeter on a single sided PCB. Watch the LTM4624 deliver greater than 80% efficiency ...

Blog Post Video 

 

How to Probe the Switch Node of a μModule Regulator

Willie Chan - Sr PME Power Modules Mar 4th 2014
A common step in verifying if a power management circuit functions properly is to probe the switch node. But how does one perform that task on a power µModule regulator since the switch node is often not accessible? Using the LTM4611 as an example, Alan Chern explains how starting at the 42 second mark in this video he ...

Blog Post Video 

 

LTM4620 TechClips - Dual 13A or Single 26A DC/DC μModule Regulator

Mar 4th 2014
LTM4620 Current Sharing Two LTM4620 µModule regulators sharing current during start up, steady state and shut down.   LTM4620 Efficiency With 20V input and 1.2V output, the efficiency is measured across a range of load current. At 100A load current, the efficiency is measured at 83%.     LTM4620 ...

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Dual 13A μModule Regulator with Digital Interface for Remote Monitoring & Control of Power

Jan 15th 2014
Digital Power System Management: Set, Monitor, Change and Log Power Managing power and implementing flexibility in a high rail count circuit board can be challenging, requiring hands-on probing with digital voltmeters and oscilloscopes, and often rework of PCB components. To simplify power management, especially from a remote ...

Blog Post LTpowerPlay LTspice 

 

LTM4611 TechClips - Ultralow VIN, 15A DC/DC μModule Regulator

Jason Sekanina - Power Module Design Engineer Nov 5th 2013
15A High Efficiency Output from a Low Input Voltage The LTM4611 is a switch mode, step-down DC/DC μModule® regulator in a compact 15mm × 15mm × 4.32mm LGA surfacemount package. The switching controller, MOSFETs, inductor and supporting components are housed in the package. With a built-in differential remote ...

Blog Post Video 

 

Bench Comparison of Two Overvoltage Protection (Crowbar) Methods: MOSFET vs. Silicon Controlled Rectifier

Jason Sekanina - Power Module Design Engineer
Willie Chan - Sr PME Power Modules
Oct 10th 2013
Introduction As electronic sub-systems play a significant role in the reliable and safe operation of the overall product, adding an overvoltage protection circuit around the DC/DC step-down regulator may be advisable to prevent damage to the latest digital logic processors considering their absolute maximum voltage (<2V ...

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36V Input, Low Output Noise, 5A μModule Regulator for Precision Data Acquisition Systems

Jaino Parasseril - Applications Engineer Sep 1st 2013
Introduction Low output noise, fast transient response and high efficiency are just a few of the stringent power supply demands made by applications featuring high data rate FPGA I/O channels and high bit count data converters. The power supply designer faces the difficult task of meeting all of these requirements with as few ...

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Prevent Your Next High Flying Product Launch From Being Grounded

Willie Chan - Sr PME Power Modules May 7th 2013
A small investment in over-voltage protection for high value FPGAs, ASICs, and micro processors could pay dividends in reliability, safety and warranty costs The widening gap between the 24V-28V intermediate bus commonly found in industrial, aerospace and defense systems and the input supply voltages of modern digital processors ...

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LTM8028 TechClips - 36VIN, UltraFast, Low Output Noise 5A μModule Regulator

Afshin Odabaee - Business Manager - uModule Power Products May 1st 2013
The LTM8028 is a 1mV output ripple μModule (micromodule) regulator designed to power data converters and high speed transceivers. The low output ripple minimizes random jitter in high speed data transceivers for superior bit error rate (BER) performance. When powering an analog-to-digital converter (ADC), tests showed a 13dB ...

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LTM4641 TechClips - Efficiency, Output Overvoltage Protection, Overcurrent Protection and More

Afshin Odabaee - Business Manager - uModule Power Products Feb 6th 2013
The LTM4641 is a 4.5V to 38V input, 0.6V to 6V output, 10A step-down μModule® regulator with comprehensive electrical and thermal protection for loads such as processors, ASICs and high-end FPGAs. The LTM4641 μModule regulator monitors input voltage, output voltage and temperature conditions. If any user-adjustable ...

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