CN0531 – Programmable 20-Bit, Linear, Precision, Bipolar ± 5V DC Voltage Source
Power supply

CN0531 – Programmable 20-Bit, Linear, Precision, Bipolar ± 5V DC Voltage Source

Precision dc voltages are a critical component of scientific instrumentation and measurement equipment, automated test equipment, factory automation and control, chemical analysis, and many other high precision applications. The most demanding applications require single digit, part per...

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Dual +5 V/-5V @ 200 mA Regulated Linear Power Supply
Power supply

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...

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Dual +12V/-12V @ 400mA Regulated Linear Power Supply with AC input
Power supply

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...

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Dual Output Adjustable Linear Power Supply +/-1.2V to +/-12V @ 250mA
Power supply

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...

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Dual +5 V/-5V @ 200 mA Regulated Linear Power Supply
Power supply

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...

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1.112
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230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter
Power supply

230V AC Input – 12V Output DC Converter, Non-Isolated Buck Converter

The project described here outputs 12V DC voltage from the input of 230V AC. The output current is up to 100mA.  The project is based on BM2P129TF chip which is PWM method DC/DC converter with a built-in 650V MOSFET. BM2P129TF contributes to low power consumption by built-in a 650V...

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300W Off-line Power Factor Correction (PFC) Boost Converter
Power supplyTop Stories

300W Off-line Power Factor Correction (PFC) Boost Converter

The circuit presented here is a 300W off-line power factor correction (PFC) boost converter providing a nominal regulated output voltage of 375V @ 0.8A of load current. The project accommodates an input voltage range of 85V AC to 265VAC and uses average current mode control at a fixed...

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3 Phase AC input – DC Output – High Voltage DC Power Supply (2KW)
Power supply

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...

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