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Understanding the Effect of Diode Reverse Recovery in Class D Amplifiers

Understanding the Effect of Diode Reverse Recovery in Class D Amplifiers

With the help of SPICE simulations, this article explores the impact of diode reverse recovery on Class D amplifier performance.


Simulating the Short-Circuit Power Dissipation of a CMOS Inverter

Simulating the Short-Circuit Power Dissipation of a CMOS Inverter

Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power dissipation and provides some helpful LTspice tips for measuring current and power.


An Explanation of Undervoltage Lockout

An Explanation of Undervoltage Lockout

Learn how undervoltage lockout (UVLO) can protect semiconductor devices and electronic systems from potentially hazardous operation.


Common-Mode Chokes: From Working Principles to Important Performance Parameters

Common-Mode Chokes: From Working Principles to Important Performance Parameters

Learn how these simple filters can help you combat common-mode noise with minimal degradation of the desired signal.


Switching Losses in Bipolar Junction Transistors

Switching Losses in Bipolar Junction Transistors

With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.


Introduction to MOSFET Switching Losses

Introduction to MOSFET Switching Losses

This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of MOSFET power dissipation.


Introduction to Hysteresis: Rate-Dependent and Rate-Independent Hysteresis

Introduction to Hysteresis: Rate-Dependent and Rate-Independent Hysteresis

This article, the second in a series on hysteresis, explains two types of hysteresis found in engineered systems.


What is Hysteresis? An Introduction for Electrical Engineers

What is Hysteresis? An Introduction for Electrical Engineers

Found both in nature and in engineered systems, hysteresis is a crucial design technique in certain electronic applications. In this article, we'll introduce its theoretical underpinnings.


Analyzing a Current-Mode-Controlled Buck Converter in LTspice

Analyzing a Current-Mode-Controlled Buck Converter in LTspice

In this article, we use voltage waveforms to explore the electrical behavior of key subcircuits within a CMC buck converter.


Implementing a Current-Mode-Controlled Buck Converter in LTspice

Implementing a Current-Mode-Controlled Buck Converter in LTspice

In this article, we use LTspice to discuss the operation of the voltage error amplifier and PWM generator in a current-mode-controlled (CMC) step-down regulator.


Designing a Current-Mode-Controlled Buck Converter in LTspice

Designing a Current-Mode-Controlled Buck Converter in LTspice

In this article, we’ll learn about current-mode control (CMC) for switching regulators by examining the layout of an example circuit in LTspice.


Current-Mode Control for Switching Regulators

Current-Mode Control for Switching Regulators

This article provides a primer on current-mode control, a widely used alternative to voltage-mode control that provides faster response to changes in input voltage and load current.


Simulating Pulse-Frequency Modulation for DC-DC Converters

Simulating Pulse-Frequency Modulation for DC-DC Converters

Using a pulse-frequency-modulated buck converter as an example, this article describes techniques for incorporating PFM into switching regulator design and simulations.


Pulse-Frequency Modulation for Switching Regulators

Pulse-Frequency Modulation for Switching Regulators

What’s the difference between PFM and PWM? We explore pulse-frequency modulation as a technique for controlling the output voltage of a switch-mode voltage regulator.


Closed-Loop Control for an LTspice Switching Regulator

Closed-Loop Control for an LTspice Switching Regulator

Learn how to simulate a switching voltage regulator with a voltage-controlled PWM waveform in LTspice.


All About the Inverting Buck-Boost Converter

All About the Inverting Buck-Boost Converter

Learn about the inverting buck-boost converter, a switching voltage regulator designed to handle unstable input voltages.


Output Voltage and Diode Current in a Boost Converter

Output Voltage and Diode Current in a Boost Converter

Learn how output voltage and diode current affect the behavior of a step-up switching regulator.


Inductor Current in a Boost Converter: a SPICE Analysis

Inductor Current in a Boost Converter: a SPICE Analysis

With the help of LTspice, we examine how inductor current affects the functioning of a boost converter.


Understanding the Operation of a Boost Converter

Understanding the Operation of a Boost Converter

Learn how a step-up switching regulator generates an output voltage higher than its input voltage.


Introduction to the Boost Converter: Structure and Design

Introduction to the Boost Converter: Structure and Design

What is a boost converter? This article discusses key initial design tasks for a step-up voltage regulator and describes its structure.