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How Do You Design an LC Low-Pass Filter for a Class D Amp?

How Do You Design an LC Low-Pass Filter for a Class D Amp?

What's the role of low-pass filters in class D amplification? We'll use ST's new class D amp to discuss this question.


News Mar 09, 2020 by Robert Keim
TI’s New Buck Converter and the Issue of Switching Regulator Conduction Modes

TI’s New Buck Converter and the Issue of Switching Regulator Conduction Modes

The buck converter operates in "forced continuous conduction mode (FCCM)." Let's break that term down.


News Mar 06, 2020 by Robert Keim
How to Boost the Output Current Drive Capability of an Op-Amp

How to Boost the Output Current Drive Capability of an Op-Amp

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.


Nexperia’s Latest MOSFET Targets Load-switch and Hot-swap Applications

Nexperia’s Latest MOSFET Targets Load-switch and Hot-swap Applications

This article examines the PSMNR51-25YLH and discusses MOSFET drain-source leakage current.


News Feb 18, 2020 by Robert Keim
The Main Factors Affecting Power Supply Quality

The Main Factors Affecting Power Supply Quality

What is power quality, and why is it essential? This article will provide a basic understanding of power quality, how poor power quality can impact electrical loads and some ways it can be improved.


News Feb 17, 2020 by Ikimi .O
Using Power Spectral Density (PSD) to Characterize Noise

Using Power Spectral Density (PSD) to Characterize Noise

Learn about how power spectral density (PSD) helps us to examine the effect of a noise source on the output of a linear time-invariant (LTI) system.


MIT’s “Smart Wallpaper” of RF Antennas and Switches Boosts Wi-Fi Without Power

MIT’s “Smart Wallpaper” of RF Antennas and Switches Boosts Wi-Fi Without Power

Researchers at MIT have created an RF wall, dubbed “smart wallpaper,” that consists of thousands of miniature RF antennas connected to RF switches.


News Feb 05, 2020 by Robin Mitchell
Flyback Converter from ROHM Simplifies Isolation Applications

Flyback Converter from ROHM Simplifies Isolation Applications

The BD7J200 has a wide input voltage range and does not require an external MOSFET.


News Feb 03, 2020 by Robert Keim
Infineon Technologies Smart High-Side Power Switch | New Product Brief

Infineon Technologies Smart High-Side Power Switch | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.


New DC-DC Converter from TI Emphasizes Flexibility and Low Component Count

New DC-DC Converter from TI Emphasizes Flexibility and Low Component Count

The LM63635 is a wide-input-voltage-range buck regulator that is specifically intended for automotive applications.


News Jan 20, 2020 by Robert Keim
Ampleon’s 500W Power Amplifier Transistor Achieves “Best in Class” Efficiency at 75%

Ampleon’s 500W Power Amplifier Transistor Achieves “Best in Class” Efficiency at 75%

The new LDMOS-based device is designed for efficient operations in the industrial, scientific, and medical (ISM) band.


News Jan 20, 2020 by Gary Elinoff
Silanna Semiconductor’s Active Clamp Flyback Controllers Combine Four ACF Subsystems

Silanna Semiconductor’s Active Clamp Flyback Controllers Combine Four ACF Subsystems

The SZ1101 (33W) and SZ1105 (65W) incorporate four key ACF subsystems to simply design and reduce BOM count.


News Jan 16, 2020 by Gary Elinoff
Google Coral AI Taps Renesas for Programmable PMICs

Google Coral AI Taps Renesas for Programmable PMICs

Renesas’ ISL91301B PMIC is featured in Google’s Coral devices, including the Mini PCIe Accelerator, M.2 Accelerator, and SoM.


News Jan 15, 2020 by Cabe Atwell
Diodes Incorporated Designs Buck LED Drivers to Withstand Extreme Voltage Variations

Diodes Incorporated Designs Buck LED Drivers to Withstand Extreme Voltage Variations

Geared for automotive lights, the AL8843Q and AL8862Q are built to drive single LEDs and multiple LED strings with up to 97% efficiency.


News Dec 20, 2019 by Gary Elinoff
New Quad-output DC-DC Regulators from Analog Devices Can Be Paralleled for 4.8A

New Quad-output DC-DC Regulators from Analog Devices Can Be Paralleled for 4.8A

The LTM4668 and LTM4668A accept 2.7V to 17V inputs and produce four parallelable 1.2A outputs.


News Dec 13, 2019 by Gary Elinoff
Introduction to the Synchronous Demodulation

Introduction to the Synchronous Demodulation

This article will discuss the basic idea behind the synchronous demodulation technique.


Cosel Adds Four New, Open-Frame Power Supplies for Low-Power Applications

Cosel Adds Four New, Open-Frame Power Supplies for Low-Power Applications

The four additions to the LHA series are said to be low-profile and compact, offering a range of 30-watts to 100-watts.


News Dec 10, 2019 by Cabe Atwell
UnitedSiC Titles New SiC FETs as the “Lowest RDS(on)​​​​​​​ SiC Power Devices on the Planet”

UnitedSiC Titles New SiC FETs as the “Lowest RDS(on)​​​​​​​ SiC Power Devices on the Planet”

The new SiC FETs combines a SiC JFET and a cascade-optimized Si MOSFET, offering an RDS(on)​​​​​​​ as low as 7mΩ.


News Dec 09, 2019 by Cabe Atwell
Nexperia Enters the Gallium Nitride FET Arena

Nexperia Enters the Gallium Nitride FET Arena

Nexperia's newly announced GAN063-650WSA is a 650-volt gallium nitride power FET featuring an RDS(on) of 60 mΩ.


News Nov 20, 2019 by Gary Elinoff
Noise in Electronics Engineering: Distribution, Noise RMS and Peak-to-Peak Value, and Power Spectral Density

Noise in Electronics Engineering: Distribution, Noise RMS and Peak-to-Peak Value, and Power Spectral Density

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise root mean square (RMS) and peak-to-peak value.