All About Circuits

Latest Linear Regulator Articles and Videos

Categories

How to Build a Class-D Power Amp

How to Build a Class-D Power Amp

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.


Projects Aug 29, 2018 by Cezar Chirila
Measure Position and Speed Control of a DC Motor Using an Analog PID Controller

Measure Position and Speed Control of a DC Motor Using an Analog PID Controller

This article shows how to implement an analog PID controller, including adjusting of the angular position of a DC motor shaft, editing the design to control its speed, and tuning PID parameters for reliable performance.


Using Low EOFF SiC Cascodes in Soft Switching LLC and PSFB Circuits

Using Low EOFF SiC Cascodes in Soft Switching LLC and PSFB Circuits

This article looks at soft-switch converters such as LLC and PSFB types and the low switching energy loss EOFF.


Choosing the Right Transistor: Understanding Dynamic MOSFET Parameters

Choosing the Right Transistor: Understanding Dynamic MOSFET Parameters

In this article, we’ll discuss MOSFET characteristics related to transient conditions and switch-mode operation.


Choosing the Right Transistor: Understanding Low-Frequency MOSFET Parameters

Choosing the Right Transistor: Understanding Low-Frequency MOSFET Parameters

This article provides an overview of various characteristics and specifications that are relevant to low-frequency MOSFET operation.


Sending ICs to Space: An Isolated Error Amplifier from Analog Devices

Sending ICs to Space: An Isolated Error Amplifier from Analog Devices

The ADuM3190S is an isolated error amplifier intended for use with linear feedback power supplies. The transfer function of this device is stable over a wide temperature range and over the lifetime of the device.


News Jul 19, 2018 by Mark Hughes
Taking a Look at a TG-FS-IGBT: A Trench Gate Field-Stop IGBT from STMicroelectronics

Taking a Look at a TG-FS-IGBT: A Trench Gate Field-Stop IGBT from STMicroelectronics

This insulated gate bipolar transistor (IGBT) can support 1200 V at 8 A. Additional devices can be added in parallel to support higher current demands.


News Jul 17, 2018 by Mark Hughes
Evaluating the Robustness of 1200 V SiC MOSFETs Under Short Circuit Conditions

Evaluating the Robustness of 1200 V SiC MOSFETs Under Short Circuit Conditions

Are SiC MOSFETs the best answer for maximizing a power converter's efficiency? This article explores a recent study performed on a 1200 V, 80 mΩ SiC MOSFET, highlighting its short circuit capabilities.


“Ultra-Low” Current Consumption: A Battery Charger from STMicroelectronics

“Ultra-Low” Current Consumption: A Battery Charger from STMicroelectronics

This article will look at the most important features of the STBC15 which is STMicroelectronics newly released ultra-low current consumption linear battery charger.


News Jul 02, 2018 by Dr. Steve Arar
I2C Design Mathematics: Capacitance and Resistance

I2C Design Mathematics: Capacitance and Resistance

This article looks at the mathematical calculations used to size the pull-up resistors and determine the maximum length of circuit traces.


A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.


Projects Jun 18, 2018 by Robert Keim
How Auto Balancing Works for Supercapacitors in Low Voltage Designs: A New PCB from ALD

How Auto Balancing Works for Supercapacitors in Low Voltage Designs: A New PCB from ALD

A new PCB ensures over-voltage protection for supercapacitors serving the industrial controls, remote monitoring, and battery backup systems.


News Jun 11, 2018 by Majeed Ahmad
A Dual Channel DC/DC Converter for Power Supply Designs from Linear Technology

A Dual Channel DC/DC Converter for Power Supply Designs from Linear Technology

The LT8582 is a new dual channel DC/DC converter from Linear Technology.


News Jun 07, 2018 by Mark Hughes
Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.


Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

This article reviews the fundamental features of an effective protection scheme, highlights the shortcoming of a typical protection implementation—such as a high bill of materials and PC board size occupation—and introduces a new family of integrated, highly flexible protection ICs that address these concerns.


The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

This article presents the equivalent circuit for a solar cell and discusses some implementation details.


PCB Layout for a Charge-Pump Bipolar Power Supply

PCB Layout for a Charge-Pump Bipolar Power Supply

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.


How to Design Schmitt Trigger Oscillators

How to Design Schmitt Trigger Oscillators

This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many popular MCUs.


Designing a Charge-Pump Bipolar Power Supply

Designing a Charge-Pump Bipolar Power Supply

This article presents and discusses a schematic design for a ±5 V inductorless power supply.


Boosting and Inverting without Inductors: Charge-Pump Power Supplies

Boosting and Inverting without Inductors: Charge-Pump Power Supplies

This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.