Single Chip dual power supply
2021-09-05
message: Hello, I want to know the single IC which can provide Both + V and -V from a single +Vin supply.. I need this for my dual supply opamp.ReplyRead More
Power Supply Regulators and MOSFET Transistor
2021-07-07
HELLO THERE …COULD anybody pls help me with a place to get more information on the following components…cant seem to find it anywhere. W20NB50 W8NB100 found them in a liteonRead More
Switching Battery Charger with L296
2020-11-15
This is a a circuit from my Power Supplies Section. There may be some documentation errors in my circuits. If you are used to building and troubleshooting circuits then itRead More
WorkBench Dual Power Supply
2020-11-14
I will just explain part of this circuit. D9 and D10 provide a low cost -1.4 from -5 V. This is needed to reach near 0.00 for LM317 Min. setting.Read More
100kHz Half Bridge Convertor – SG3525
2020-08-25
This is a SMPS Circuit improved over the Application Note in the book SGS Motion Control Application Manual. This worked well. It helps you learn more about High Frequency PowerRead More
Battery Boost Circuits
2020-08-15
(This is a thread of my messenger many years ago – you will be able to notice text communication is quite difficult. sometimes even verbal expression will not specify theRead More
Power Supply with Battery Backup
2020-05-02
This is an incomplete version of the power supply used for the Alertness Monitor with hourly LED Display. This circuit used a Dual Color LED. Green meant Alert and RedRead More
Voltage Doubler with Diodes
2020-03-25
This is a Simple Voltage Doubler to boost 3V battery voltage to power some low-power 5V circuits. In needs a Clock input with high fan-out. You can use the 74HCT540Read More