Self switching Power Supply
The self-switching power supply circuit utilizes the LM7805 voltage regulator to maintain a stable output voltage of 5V. This fixed-voltage regulator is designed to provide a consistent output despite variations in input voltage and load conditions, making it suitable for a variety of applications that require a reliable power source.
The circuit typically consists of an input capacitor, the LM7805 regulator, and an output capacitor. The input capacitor helps to filter any noise from the power source, ensuring that the voltage supplied to the LM7805 is clean and stable. The LM7805 itself has three pins: the input pin (Vin), the ground pin (GND), and the output pin (Vout). The input pin receives the unregulated input voltage, which can range from 7V to 35V, and the output pin delivers a regulated 5V output.
For optimal performance, it is recommended to place a 0.33µF capacitor at the input and a 0.1µF capacitor at the output. These capacitors help to stabilize the output voltage and improve transient response. Additionally, the LM7805 features thermal overload protection and short-circuit protection, enhancing the reliability and safety of the circuit.
In applications where the power supply needs to switch between different voltage levels, a self-switching mechanism can be integrated. This mechanism would monitor the output voltage and automatically adjust the input or switching components to maintain the desired voltage level. Such functionality is particularly useful in systems that experience varying load conditions or require different voltage levels for different components.
Overall, the self-switching power supply circuit with the LM7805 provides an efficient and reliable solution for powering electronic devices, ensuring a stable output voltage while accommodating fluctuations in input voltage and load.Self switching Power Supply. One of the main features of the regulated power supply circuit being presented is that though fixed-voltage regulator LM7805 is used in the circuit, its. 🔗 External reference
Related Circuits
The circuit diagram illustrates a robust stereo amplifier capable of delivering 22W of power. It is based on the widely used single-chip audio power amplifier TDA1554Q (IC1), which is configured as two 22W stereo bridge amplifiers. While listening to...
The adjustable power supply circuitry operates within a voltage range of 1.25 to 37V. It utilizes a three-terminal regulator, which is known for its good performance and stability. The compact size of the design facilitates easy installation, and it...
This is an amplifier circuit utilizing the LM12 integrated circuit as the primary amplifier. The amplifier delivers a power output of 150 watts and operates with a load impedance of 4 ohms. It is classified as a high-output power...
This micropower multifunction power management integrated circuit (PMIC) is designed using the LTC3554, manufactured by Linear Technology Corporation. It serves as a solution for portable Li-Ion Polymer battery-based applications. The LTC3554 integrates a USB-compatible linear PowerPath manager, a standalone...
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...
A circuit diagram has been found on a Russian website, freeenergylt.narod2.ru/Aidas. The diagram includes a pulse generator, which requires PCGU1000 equipment for the coils to function. There are discussions about the internal resonation design, involving a capacitor in parallel...