230W Switching Power SupplyThis is a 230W switching power supply outputing two dual polarity voltage (+12) / (-12) and (+5) / (-5). Note that all rectifiers operate into choke input filters which massively reduced rectifier surge currents are also low minimizing filter capacitor ...
5V Switch Mode Power Supply using LM2674In the typical power supply is used in chip LM2674 company National Semiconductor , for many years engaged in manufacturing and designing components for the pulse transformers. LM2674 can be used instead of a chip LM2671 . By choosing different ...
Switch Mode Voltage Regulator with 85% efficiencySwitch Mode Power Supplies (SMPS) is now widely used in modern electronic equipment due to its compact design and high efficiency of about 80% or more. The switch-mode regulator circuit presented here has an efficiency of around 85%. The circuit ...
Linear Power SupplyEvery electronic circuit will work as good as its power supply. However this is often overlooked. There are two main families of power supplies: the linear power supply and switch mode power supplies. Linear power supplies are easier to manufacture ...
220 watts Uninterruptible Power SupplyUninterruptible power supply provides output power to 220 watts (load current up to 1A). In the mode switch SB1 12/220 - the battery voltage is applied to a given multivibrator Q3 Q4 50 Hz, which builds up powerful keys Q1, ...