Articles Analog Devices

1. How to convert voltages using a high voltage buck controller without a transformer
   Frederik Dostal
   Supply Analog Devices LTC7897
   Introduction Switch-mode power supplies based on the buck (step-down) converter principle are widely used in all electronic applications. They do not require a transformer, just a simple coil to efficiently convert a high voltage to a low voltage. ...
   Jun 24, 2026
2. How to use gallium nitride technology in switch-mode power supplies
   Frederik Dostal
   Supply Analog Devices LT8418
   Abstract This article explains the unique considerations and challenges associated with utilizing GaN switches in switch-mode power supplies. A solution is presented in the form of a specialized GaN driver that provides the necessary functions for ...
   Jun 17, 2026

3. Calibration, Part 1
   Aubrey Kagan
   Measurement Analog Devices AD626AR
   In the comments to my series of blogs on temperature measurement on the late, lamented Microcontroller Central, there was some feeling that a blog on calibration of analog IO might be a good idea. Let me start by taking you back to some high school ...
   Jun 16, 2026
4. Low voltage GaN converter gate drive and measurement
   Kurk Mathews Luis Onofre Lazaro
   Measurement Supply Analog Devices LTC7890 LTC7891 LTC7892 LTC7893
   Abstract This article discusses the need for precise gate voltage control and accurate gate measurements when using gallium nitride field-effect transistors (GaN FETs). High-side gate measurements taken with advanced isolated probes are compared to ...
   Apr 13, 2026
5. How to invert voltages
   Frederik Dostal
   Supply Analog Devices LTC7899
   Abstract This power management tip introduces the two different circuits for a positive-to-negative voltage conversion and for a negative-to-positive voltage conversion. It explains how a step-down (buck) regulator circuit may easily be modified to ...
   Mar 24, 2026
6. Accurately sensing high currents
   Simon Bramble
   Measurement Supply Analog Devices LTC6102 LTC3891
   Abstract This article describes a circuit that facilitates the measurement of currents from amps to hundreds of amps with a high degree of precision. Introduction There are many applications that require the measurement of current. Many digital ...
   Feb 24, 2026
7. Temperature compensation with a simple resistance temperature detector
   Alain Stas
   Measurement Analog Devices AD8039 LT1499
   With the trend toward miniaturization, temperature effects in power electronics are more pronounced than ever. If you’re dealing with temperature fluctuations in your circuit, you may need a stabilization system to keep the temperature ...
   Feb 19, 2026
8. RTDs provide differential temperature measurement
   John Wynne
   Measurement Analog Devices AD7705
   You sometimes need to measure the differential temperature between two points in a system to a greater accuracy than that required in measuring the absolute temperature at either of the individual points. Differential-temperature measurement is ...
   Dec 15, 2025
9. Minimizing emissions from a Ćuk regulator
   Frederik Dostal
   Supply Analog Devices LT8330
   The Ćuk topology is ideal for generating a negative output voltage from a positive supply voltage. Negative voltages are needed in many systems to enable useful readout of signals from certain sensors. For this, a signal chain may need to be ...
   Dec 4, 2025
10. Robust power source with ideal diodes
    Frederik Dostal
    Supply Analog Devices LT4422 LT4423
    Abstract Robust systems often allow multiple power sources. When different power sources are used to power a device, switches need to be implemented to separate the power supplies from each other to avoid damage. This can be accomplished with ...
    Nov 18, 2025

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