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ADI Offers the New µModule Regulator that Powers Noise Sensitive Applications

Written by Stephen Vicinanza

ADI offers the new µModule Regulator that powers noise-sensitive applications. In late March Analog Devices Inc. (ADI) launched a super low noise dual output DC/DC µModule regulator. The layout is a patented silicon base, and several packaging changes the company is saying are innovations.

ADI is saying the LTM8080 operates from up to 40V input and the front end is a high-efficiency synchronous Silent Switcher step-down regulator. This is followed by two separate low-noise, low-dropout (LDO) regulators.

In order to suppress noise even further the LTM8080 package integrates an EMI barrier shield or wall. The resulting low noise values are of notice. The <1 µVRMS (10Hz to 100 kHz), 2nV/Hz (10kH) spot noise, and 80 dB PSRR (100KHz).

In comparison to discrete solutions without the EMI shield the LTM8080 regulator reduces output ripple voltage by up to 70% for a quiet and simple design.

The LTM8080 is designed specifically to power digital loads that are susceptible to switching regulator noise such as data converters, FPGA I/O, op-amps, RF Transmitters and clocks, transceivers, and medical scanners.

The µModule regulator LTM8080 is integrated with Silent Switcher architecture that minimizes EMI emissions. The device can pass CISPR22 Class B and CISPR25 Class 5 without needing an input filter.

The adjustable switching frequency from 200 kHz to 2 MHz and the selectable operation modes both minimize the risk of frequency interferences. This is ideally suited to very low noise instrumentation, high speed, and high precision signal chain applications.

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The following features can be added to the already mentions features.

  • Parallelable for lower noise and higher current
  • Output voltage 0V to 8V
  • Dual 500 mA or single 1A output current
  • 100 µA SET Pin current with a ±1% Initial Accuracy
  • Voltage tracking function that minimizes power loss

To find out more about the ADI µModule LTM8080 regulator see the ADI website product page here.

Analog Device Inc. | analog.com

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For the past 8 years, I have been writing about embedded technologies, added to my technical, academic, and medical editorial experience, with companies like Elsevier and Cambridge University Press. I tell people to read what I write, not try to pronounce my last name. I am always available for comments and suggestions you can reach me at product-editor@circuitcellar.com and I promise I will take the time to reach back out to you. I live in the North East with my wonderful family.

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ADI Offers the New µModule Regulator that Powers Noise Sensitive…

by Stephen Vicinanza time to read: 1 min