50W 12V DC power supply diagram regulated circuit
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3-30V 3A Adjustable Regulated DC Power Supply
This power supply is designed as either an auxiliary or a permanent power source for various circuits that require a stabilized DC voltage ranging from 3 to 30V, with a maximum current consumption of 3A. Additionally, this power supply unit...
Reasonable Car Battery Charger
This charger will charge any 12V lead acid battery including flooded, gel and AGM. It is fully automatic and will charge at a rate up to about 4A until the battery voltage reaches a preset point at which it will...
switching power supply 2
This circuit is designed to double nearly any DC input voltage while handling a substantial amount of current. For instance, it can work with input voltages ranging from 12 to 24V. With minor modifications, it can also provide any desired...
12V Flourescent Lamp Inverter
Fluorescent tubes consume significantly less energy compared to incandescent lamps and have a much longer lifespan. Additional benefits include diffuse, glare-free lighting and reduced heat output. Due to these advantages, fluorescent lighting is commonly preferred in commercial and retail spaces,...
symmetric 12v to 5v converter
Symmetric 12V to 5V converter power supply. Refer to the designated page for an explanation regarding the associated circuit diagram.
The symmetric 12V to 5V converter power supply is designed to efficiently step down a 12V input voltage to a regulated...
Increasing Regulator Current
Although the 78xx series of voltage regulators are available with different current outputs, you can boost the available current output with this circuit. A power transistor is used to supply extra current to the load, maintaining a constant voltage. Currents...
Small Variable power Supply
This is a simple yet reliable device based on one of the oldest integrated voltage regulators, the LM723.
The LM723 is a versatile voltage regulator that can be configured to provide a wide range of output voltages. It is capable of...
Shortcircuit protected voltage regulator
At this voltage regulator prototype the maximum current, with output shortcircuited it was only 0.5 A, so no overheating occurred. In this DC voltage regulator circuit, T1 is for current limitation. As soon as the voltage on the R2 +...
LM7805 + 5V power supply configuration
The circuit illustrated in the figure provides an output voltage of +5V and an output current of 1.5A. It comprises a power transformer, a bridge rectifier circuit consisting of diodes D1 to D4, and filter capacitor C1. Additionally, capacitors C2...