MC78L15ABPG Original supply circuit

Three-terminal linear regulator expansion flow circuit diagram

The circuit is a common three-terminal linear regulator expansion flow circuit. In practical applications, it may encounter some well-considered or lower false failures. 1. Disadvantages of this power supply: 1.1 This power supply is a linear regulator circuit,...

DC Supply

The circuit is a linear regulator providing galvanic isolation from main line through the use of isolation transformer. Quite safe for experimenting with AC voltage. Below pictures show the example of input/output terminal connections, labeling and components placement in the...

mini drill speed regulator

An integrated voltage regulator connected in reverse to a mini drill allows for speed adjustment within specific limits, maintaining a constant speed regardless of load. The electronic speed control is achieved through a voltage regulator, which can power motors requiring...

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...

Circuit diagrams and Schematic

This AC to DC power supply can output 5A in continuous operation and 12A peak current. This type of DC power supply uses a PCB, allowing for two case types for IC1: TO-220 or TO-3. The regulation of this 12-volt...

High Input Voltage Linear Regulator

Commonly used 3-pin linear voltage regulators, such as the LM317, cannot handle input voltages exceeding approximately 30V. The LR8A from Supertex Inc is a new adjustable three-pin regulator capable of accepting input voltages up to 450V and supplying an output...

FSP107-2PS01 two-in-one power panel circuit analysis

The main component is the LG26 one-inch screens integrated with the FSP107-2PS01 two-in-one electrical power package, which utilizes a direct drive CCFL modulator tube. This setup is compatible with screens from other manufacturers, such as Samsung and AU, but requires...

High Current Low Dropout Voltage Regulator

This circuit is designed to power a laptop computer using a solar power setup. The computer requires 12V at 3.3A. The circuit employs a linear regulator with a MOSFET (Q4) as the series pass device. A 100kΩ resistor provides Q4...

PFC Switching Power Supply

The following circuit illustrates a Power Factor Correction (PFC) Switching Power Supply Circuit Diagram. Features include suitability for 1U (1.75-inch) form factor and minimization of input harmonics. The PFC Switching Power Supply Circuit is designed to enhance the efficiency of power...