Step-Up DC-DC Converter – 9V Output @ 500mA
https://www.electronics-lab.com/project/step-up-dc-dc-converter-9v-output-500ma/
This project uses the LM2700 step-up DC/DC converter to efficiently generate a 9V output from a single Li-Ion battery. The compact board is an efficient replacement for 9V batteries (PP3), operating stably at up to 1.25 MHz for high efficiency.
3W Switch Mode Power Supply – 12V output
https://www.electronics-lab.com/project/3w-switch-mode-power-supply-12v-output/
The project presented here is 3W Switch mode power supply mainly designed for LED applications. The project is based on LNK364 chip from Power Integrations. LNK364 incorporates a 700V power MOSFET, oscillator, simple ON/OFF control scheme, a high-voltage switched current source, frequency jittering, cycle-bicycle current limit and thermal shutdown circuitry onto a monolithic IC. The […]
Isolated Power Supply with 24V Input and Dual 15V Output
https://www.electronics-lab.com/project/isolated-power-supply-with-24v-input-and-dual-15v-output/
This isolated power supply features the SN6507 chip, a push-pull isolation transformer driver, which provides a reliable and efficient power conversion solution. The power supply comprises a transformer, rectifier circuit, and isolation transformer T1, which separates the input and isolated output, ensuring electrical isolation and preventing high voltages and noise from interfering with or damaging […]
±340V DC Output, 15V DC Input, Isolated Flyback Converter
https://www.electronics-lab.com/project/%c2%b1340v-dc-output-15v-dc-input-isolated-flyback-converter/
The project presented here is an isolated flyback converter featuring the LT3748 chip from Analog Devices. The circuit is designed for a +/-340V DC (2 x 340V) output from a 7V to 15VDC input. The output current is up to 2 x 8mA. The board senses the isolated output voltage directly from the primary side […]
Breakout Board for ATX Power Supply – Benchtop Power Supply
https://www.electronics-lab.com/project/breakout-board-for-atx-power-supply-benchtop-power-supply/
This ATX Power supply breakout board enables users to use an ATX power unit as a benchtop power supply. The project can be very useful to power physical computing, embedded, microcontroller projects, etc. The board provides 4 different voltages 3.3V, 5V, 12V, -12V, and a slide switch is provided for output ON/OFF. All lines have […]
Dual Output Adjustable Linear Power Supply +/-1.2V to +/-12V @ 250mA
https://www.electronics-lab.com/project/dual-output-adjustable-linear-power-supply-1-2v-to-12v-250ma/
This project is a solution to power up most devices or projects requiring dual (+/-) adjustable power. The circuit consists of a stepdown transformer, bridge rectifier, DC filter capacitors, LM317 positive and LM337 negative adjustable voltage regulators, 2 x trimmer pot for independent output voltage adjust, and power LEDs. Parts Explanation Connector CN1 : 230V/115V […]
Dual +12V/-12V @ 400mA Regulated Linear Power Supply with AC input
https://www.electronics-lab.com/project/dual-12v-12v-400ma-regulated-linear-power-supply-with-ac-input/
The project presented here is a dual output linear power supply. This power supply provides low ripple low noise DC regulated output. It is a very useful tool to power Audio, Video, OPAMP-based circuits, and projects. The circuit provides regulated +/-12V DC output @ 400mA + 400mA. The project supports AC input supply 230V or […]
Dual +5 V/-5V @ 200 mA Regulated Linear Power Supply
https://www.electronics-lab.com/project/dual-5-v-5v-200-ma-regulated-linear-power-supply/
The project presented here is a dual AC to DC output linear power supply. This power supply provides low ripple low noise DC regulated output. Usually, transformer-based linear power supplies are considered very bulky and inefficient, but this power supply still is very important for sensitive applications such as analog circuits, communications devices, radio devices, […]
3 Phase AC input – DC Output – High Voltage DC Power Supply (2KW)
https://www.electronics-lab.com/project/3-phase-ac-input-dc-output-high-voltage-dc-power-supply-2kw/
Although this power supply design is specific to the Intelligent Power Modules (IPM) VFD drives, high voltage boost converters, high voltage battery chargers, etc, the concept and circuit design may be used for any power supply that requires a high voltage output of up to 800V DC and 4 A. Since it is an unregulated […]
0 to 10 V Adjustable Lab Power Supply with Current Control
https://www.electronics-lab.com/project/0-to-10-v-adjustable-lab-power-supply-with-current-control/
The circuit presented here is a very simple and easy to build Lab Power Supply. The output of this power supply is adjustable from 0 to 10V DC, and it has current limit control up to 3A. Two Trimmer potentiometers are provided to adjust the voltage and current. The input supply is DC 12V to […]