ATX PS circuit diagram | Next Electronics

-15 V 1-A Regulated Power Supply circuit

The supply receives -20 V from the rectifier/filter which is fed to the collector of the Darlington pnp pass transistor, a TIP105. The base drive to the TIP105 is supplied through resistor R5. The base of the TIP is driven...

60 W Switching power supply

The schematic diagram originates from a 60 Watt Switching Power Supply. It details a power supply designed for a 70W stereo amplifier, utilizing the KA2S0880 chip, which encompasses all necessary components for constructing the primary section of the power supply....

PC 12V Adapter

This circuit provides short-circuit protection for a power supply derived from a PC's 12V output. It is particularly useful for projects involving PC interfacing. The circuit diagram illustrates the complete power supply setup. The necessary 12V voltage is sourced directly...

Industrial fuel oil furnace controller circuit diagram 2

The industrial fuel oil furnace controller circuit consists of a power supply circuit, a testing and ignition control circuit, and a control implementation circuit, as illustrated in the accompanying diagram. The power supply circuit includes a step-down capacitor (C6), a...

Variable Voltage Regulation

Controlling the output voltage from a regulator can be made variable in three ways: 1. Using a fixed reference zener diode to increase the output by the value of the zener 2. A variable resistor for variable output, note that...

12 Volt DC Power Supply Circuit

The schematic diagram below illustrates a simple and cost-effective 12-volt DC 50W off-line SMPS (switched-mode power supply) circuit. It is suitable for DIY home projects or for learning about the operation of flyback converters. This power supply unit (PSU) operates...

WSl57 + 5V 1.6A precision switching power supply circuit comprising

The circuit incorporates an optical coupler (CNY75A) and an adjustable precision shunt regulator (TL431). It includes current limiting resistors R3, R4, and R5 for the sampling resistor. As the output voltage (Uo) varies, the voltage across the sampling resistor and...

5V Regulated Power SupplyCircuit

This circuit is a compact +5V power supply that is beneficial for digital electronics experimentation. Inexpensive wall transformers with variable output voltage can be found at electronics shops and supermarkets. While these transformers are readily available, their voltage regulation is...

Power Supply for P.A. Class40

For its maximum result, the final stage of the amplifier should have the proper power supply, as the flowing currents are very high. A Class A amplifier requires attention. These are the rules for the power supply for the Class...