LM317 Voltage Regulator in Proteus

Hello friends, hope you all are fine and having fun. In today’s post we are gonna have a look at LM317 Voltage Regulator in Proteus. In the previous post, we have seen how to design a 5V Power Supply in Proteus ISIS, which I have designed using IC regulator 7805. Today I am going to share How to design LM317 Voltage Regulator Circuit in Proteus. This DC power supply is a variable one means you can set its o ...

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Dual USB Serial and I2C Converter

Hi all! After a couple of months with a lot of work, I come here again with the last board I develop before Christmas. It’s a dual USB serial and I2C converter based on two MCP2221 Microchip 2.0 USB-Serial bridges. I develop it as a need on my work with the last project I’m involved. I need to monitor a serial communication between two devices. With only one converter, I must choose between RX and TX lines ...

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Cheap Arduino WiFi shield with ESP8266

In my previous Instructable I have described how to plug the ESP-01 module into a breadboard. This is just the first step to make a cheap Arduino WiFi shield using the ESP8266 module. With few more electronic components and the WiFiEsp library you can build it for less that 10 USD. Step 1: Components Here are the components you need Arduino board - In this example I'm using an Arduino Uno board but I person ...

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NerO – An Energy Efficient Arduino UNO Compatible Design

Background. This project started out as an accessory for another planned KickStarter project - a smart TFT display for Arduino called CleO. Now, the display itself required 150mA current, fine, but when you add a camera with its LED lights, this goes up to 250mA and if you have 1W audio playing simultaneously, unlikely,but possible, then it would require 450mA of current at 5V in order to guarantee operatio ...

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LT3091 – –36V, 1.5A Negative Linear Regulator with Programmable Current Limit

Features Output Current: 1.5A Single Resistor Sets Output Voltage 50μA SET Pin Current: ±1% Initial Accuracy Programmable Current Limit Positive or Negative Output Current Monitor Parallelable for Higher Current and Heat Spreading Low Dropout Voltage: 300mV Low Output Noise: 18μVRMS (10Hz to 100kHz) Configurable as a 3-Terminal Floating Regulator Wide Input Voltage Range: –1.5V to –36V Rail-to-Rail Output V ...

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Use an LM317 as 0 to 3V adjustable regulator

Most engineers know that they can use an inexpensive, three-terminal adjustable regulator, such as Fairchild Semiconductor’s LM317, as an adjustable regulator to only some necessary value of voltage, such as 36 or 3V. This value cannot be less than 1.25V without employing other approaches, however. The devices’ inner reference voltage is 1.25V, and their output voltage accordingly cannot be less than this v ...

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LTM8055 – 36VIN, 8.5A Buck-Boost μModule (Power Module) Regulator

Features Complete Buck-Boost Switch Mode Power Supply VOUT Equal, Greater, Less Than VIN Wide Input Voltage Range: 5V to 36V 12V/3A Output from 6VIN 12V/6A Output from 12VIN 12V/8.5A Output from 24VIN Up to 97.5% Efficient Adjustable Input and Output Average Current Limits Input and Output Current Monitors Parallelable for Increased Output Current Wide Output Voltage Range: 1.2V to 36V Selectable Switching ...

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LT3042 – 20V, 200mA, Ultralow Noise, Ultrahigh PSRR RF Linear Regulator

Features Ultralow RMS Noise: 0.8μVRMS (10Hz to 100kHz) Ultralow Spot Noise: 2nV/√Hz at 10kHz Ultrahigh PSRR: 79dB at 1MHz Output Current: 200mA Wide Input Voltage Range: 1.8V to 20V Single Capacitor Improves Noise and PSRR 100μA SET Pin Current: ±1% Initial Accuracy Single Resistor Programs Output Voltage High Bandwidth: 1MHz Programmable Current Limit Low Dropout Voltage: 350mV Output Voltage Range: 0V to ...

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LTC7138 – High Efficiency, 140V 400mA Step-Down Regulator

Description The LTC®7138 is a high efficiency step-down DC/DC regulator with internal power switch that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load. The LTC7138 can supply up to 400mA load current and features a programmable peak current limit that provides a simple method for optimizing efficiency and for reducing output ripple and component size. The L ...

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LTM4625 – 20VIN, 5A Step-Down DC/DC μModule (Power Module) Regulator

Features Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) Wide Input Voltage Range: 4V to 20V Input Voltage Down to 2.375V with External Bias 0.6V to 5.5V Output Voltage 5A DC Output Current ±1.5% Maximum Total DC Output Voltage Error Over Line, Load and Temperature Current Mode Control, Fast Transient Response External Frequency Synchronization Multiphase Parallel Current Sharing ...

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Tiny boost regulators deliver up to 10 W

Offered with fixed output voltages of 4.75 V, 5.0 V, 5.25 V and 5.5 V or an adjustable output voltage, the MIC2875 and MIC2876 2-MHz boost regulators from Micrel are capable of supplying up to 2 A of output current, while occupying just 122 mm2 of board space. These synchronous regulators also achieve efficiency of up to 95% and are well-suited for operation from a single-cell lithium battery and providing ...

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Capacitor Selection is Key to Good Voltage Regulator Design

Modular DC-DC switching voltage converters (or voltage regulators) are fully integrated devices that take away most of the complexity of power supply design — but not all. One of the key areas that are still left to the design engineer’s discretion is the choice of components for, and layout of, the energy storage and filtering circuits. In principle, these look like simple circuits comprising a few resisto ...

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