MAKING A PICKIT 3 CLONE

After using the Microchip tools to program and debug the projects I work on, I wondered about creating my own programming/debugging module that I could put on my own boards – just like Microchip does with their starter kits and such. As I became more interested in that idea, I began to search the web to see if anyone else had already done something similar. Initially, I found lots of posts regarding the 2nd ...

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20V, 4 MHz, synchronous 2x 6A step-down regulator in 20 sq mm

LTC3636 and LTC3636-1 are high efficiency, 4 MHz synchronous dual output buck regulators that incorporate a constant frequency/controlled on-time, current mode control scheme with phase lockable switching frequency. Their design architecture reduces conducted and radiated emissions. The devices can deliver up to 6A of continuous output current from each channel or generate a 2-phase single output up to 12A. ...

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5V Power Supply Atop a 9V Battery

I have a $500 Rigol DP832 programmable triple-output power supply sitting on my bench, yet I built a 5V regulator to sit atop a 9V battery for some reason. Perhaps it’s more portable, or cheap enough to toss in with the rest of the project it is powering, or maybe the bench power supply is just overkill. Or maybe, just maybe, I saw other people making them and I thought it would be cool to build myself. Two ...

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LTM8003 – 40VIN, 3.5A Step-Down μModule Regulator

Features Complete Step-Down Switch Mode Power Supply Wide Input Voltage Range: 3.4V to 40V Wide Output Voltage Range: 0.97V to 18V Wide Temperature Range: –40°C to 150°C (H-Grade) 3.5A Continuous Output Current, 6A peak FMEA Compliant Pinout Output Stays at or Below Regulation Voltage During Adjacent Pin Short or if a Pin Is Left Floating Selectable Switching Frequency: 200kHz to 3MHz External Synchronizati ...

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LT8608 – 42V, 1.5A Synchronous Step-Down Regulator with 2.5μA Quiescent Current

Features Wide Input Voltage Range: 3.0V to 42V Ultralow Quiescent Current Burst Mode® Operation: <2.5μA IQ Regulating 12VIN to 3.3VOUT Output Ripple <10mVP-P High Efficiency 2MHz Synchronous Operation: >92% Efficiency at 0.5A, 5VOUT from 12VIN 1.5A Continuous Output Current Fast Minimum Switch-On Time: 45ns Adjustable and Synchronizable: 200kHz to 2.2MHz Spread Spectrum Frequency Modulation for Low ...

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Switching Voltage Regulator Tutorial

A switching voltage regulator is one of my favorite circuits. In school, they were the first circuits I built where I understood how transistors worked. In fact, they were the first circuit I saw an inductor being useful! Switching regulators are incredibly efficient when designed properly. Of course, this detail about design is important. They are not as simple as a linear regulator, which is basically an ...

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LT8616 – Dual 42V Synchronous Monolithic Step-Down Regulator with 6.5μA Quiescent Current

Features Wide Input Voltage Range: 3.4V to 42V 2.5A and 1.5A Buck Regulators with Separate Inputs Fast Minimum Switch On-Time: 35ns Ultralow Quiescent Current Burst Mode® Operation: 6.5μA IQ Regulating 12VIN to 5VOUT and 3.3VOUT Output Ripple < 15mV 180° Out of Phase Switching Adjustable and Synchronizable: 200kHz to 3MHz Accurate 1V Enable Pin Thresholds Internal Compensation Output Soft-Start and Track ...

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3.3V Voltage Regulator

Description This project  will provide 3.3 V @ 800 mA DC Regulated Supply.  The project is based on the LM1117 Low-Dropout Linear Regulator. The LM1117-3.3 is a low dropout voltage regulator with a dropout of 3.3V @ 800mA of load current. Specifications: Input - 5 to 15 VDC Output Current/Voltage 0<Iout<800mA, 4.75V<Vin<12V Output - 3.3 V @ 800 mA regulated low ripple DC voltage Current limiting ...

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LTM8064 – 58VIN, 6A CVCC Step- Down μModule Regulator

Features Complete Step-Down Switch Mode Power Supply CVCC: Constant-Voltage, Constant-Current 2-Quadrant: Sources and Sinks Output Current Parallelable for Increased Output Current, Even from Different Voltage Sources Adjustable Output Current Up to 7A When Sourcing or 9.1A When Sinking Wide Input Voltage Range: 6V to 58V 1.2V to 36V Output Voltage Selectable Switching Frequency: 100kHz to 1MHz (e1) RoHS Co ...

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DS1820 Temperature regulator using PIC16F628

This simple project uses a Dallas DS1820 one wire temperature sensor and a pic 16f628 microprocessor. A simple temperature regulator where a LED symbolizes the Fan. Data derived from the DS18s20 is a 9bit centigrade temperature measurement. As mentioned the temperature sensor communicates over a one Wire bus that requires only one data line and ground for communication with a central microprocessor. The DS1 ...

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