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High Current LM317 CV Power-Supply – Circuit Schematic
High Current LM317 CV Power-Supply
The voltage range will be 0V to 24V and I don`t expect to use any more than 4A. A micro and LCD could probably be added to measure voltage and current. Here is ...
filtering noisy power signal – Circuit Schematic
filtering noisy power signal
Previously I used a linear regulator, now I use Max756 ( ) boost converter. I`m seeing 0. 1 - 0. 3V output ripple in the current. The Max756 datasheet says I sh...
Mains clearance in a TRIAC driver – Circuit Schematic
Mains clearance in a TRIAC driver
A TRIAC driver board for use with my reflow toaster oven project, which means mains voltages. IPC-2221 says that U. S. mains voltages require 0. 4mm clearance i...
battery backup circuit – Circuit Schematic
battery backup circuit
A 2 diode selector circuit if your primary voltage source is greater than the diodes turn on voltage and the input voltage of the second diode. Schottky diodes ...
Negative AC voltage – Circuit Schematic
Negative AC voltage
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LT3083 current limiting – Circuit Schematic
LT3083 current limiting
I`m using regular analog control via pots, though will use digital readouts of voltage/current. Anyhow. I HAVE watched the PSU videos, but at least in simulatio...
PFC PWM combo solution for high efficiency PC power – Circuit Schematic
PFC PWM combo solution for high efficiency PC power
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Keep The Ramp right – Circuit Schematic
Keep The Ramp right
If the ramp driving your PWM-based controller isn`t linear or monotonic, or just plain noisy, your DC/DC converter isn`t going to work up to its capabilities. H...
High PoE made easy – Circuit Schematic
High PoE made easy
The IEEE standards for so-called "high power-over-Ethernet" (HPOE) have yet to be resolved, but most designers expect a 53 VDC source, usable current from each ...
Audio amplifier power supply design – Circuit Schematic
Audio amplifier power supply design
Advantages and disadvantages of different power supply technologies as well as the design considerations involved in choosing and evaluating a mains transformer...
PC SMPS PWM chip CG8010DX16 – Circuit Schematic
PC SMPS PWM chip CG8010DX16
Here are the datasheet and the circuit dram of a PC Switching Power Supply using the IC CG8010DX16.....
PC Switching Power Supply schematic using TL494/LM339 IC 2003 & KA7500 – Circuit Schematic
PC Switching Power Supply schematic using TL494/LM339 IC 2003 & KA7500
Here is a collection of (SMPS) schematic, datasheets, images and tips for switch mode power supplies using TL494/ LM339, KA7500 and IC2003.....
Power supply circuit design – Circuit Schematic
Power supply circuit design
C1=1000 Micro Farad aluminum electrolytic capacitor (For loads less than 100mA you can sustitute with 220 microfards capacitor), Voltage rating = 2. 5 times of ...
Heavy-duty power supply regulates either voltage current or power – Circuit Schematic
Heavy-duty power supply regulates either voltage current or power
By combining switching and series-pass techniques, this high-voltage supply`s designer achieved 0.01% regulation at power levels to 100W.....
Circuit forms constant-current SCR – Circuit Schematic
Circuit forms constant-current SCR
A typical SCR (silicon-controlled rectifier) requires a trigger current, which causes the SCR structure to latch on. Once the device latches, the current throug...
Error amplifier limitations in high-performance regulator applications – Circuit Schematic
Error amplifier limitations in high-performance regulator applications
As power supply switching frequencies increase, higher loop crossover frequencies are necessary to keep pace with the escalating load transient slew rate demand...
Inrush Current Limiter Power Thermistor 2 5 Ohm 6 5A X2 – Circuit Schematic
Inrush Current Limiter Power Thermistor 2 5 Ohm 6 5A X2
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Electronic 90V Plate Battery – Circuit Schematic
Electronic 90V Plate Battery
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Power Supply for Standalone Preamp – Circuit Schematic
Power Supply for Standalone Preamp
If you`re just building a dual stand-alone preamplifier (as for, say, a stereo magnetic phono preamp), your power supply requirements will of course be greatly ...
Filament and Control Power Supplies – Circuit Schematic
Filament and Control Power Supplies
AC power is supplied via AC Fuse F1 and Power On/Off switch S1 to 6. 3V filament transformer T1. Fuse F2 is provided as an additional safety feature, since a sh...