LM317 Linear power supply Regulator selector 1.5V3V4.5V5V6V9V 1.5A
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LM317 Linear power supply Regulator selector 1.5V3V4.5V5V6V9V 1.5A
Typically, the study of electronic power supplies starts with batteries, such as 9 volts, 1.5 volts, and 6 volts. However, there are disadvantages associated with this approach.
The exploration of electronic power supplies often begins with the use of batteries, which are common sources of voltage in various applications. Batteries such as 9 volts, 1.5 volts, and 6 volts provide portable and straightforward power solutions for circuits. However, several disadvantages exist when relying solely on batteries for power supply in electronic circuits.
One significant drawback is the limited lifespan of batteries, which can lead to frequent replacements and increased maintenance costs. Additionally, batteries can exhibit voltage drops as they discharge, potentially leading to insufficient power for sensitive electronic components. This inconsistency can affect the performance and reliability of the circuit.
Moreover, batteries typically have a limited current output, which may not be suitable for high-power applications. In scenarios where higher currents are required, alternative power supply methods, such as AC to DC converters or regulated power supplies, may be more appropriate. These alternatives can provide stable voltage and current levels, enhancing the overall efficiency and reliability of electronic systems.
Furthermore, environmental considerations arise with battery usage, as improper disposal can lead to pollution and resource wastage. The development of rechargeable battery systems offers some mitigation; however, they still face issues related to charging cycles and capacity degradation over time.
In summary, while batteries serve as a fundamental starting point for learning about electronic power supplies, their limitations necessitate the exploration of other power supply options that can offer more consistent performance and sustainability in electronic applications.Normally begin to learn about electronics power supply from the battery, for example, 9 volts, 1.5 volts, 6 volts etc. But there are disadvantage that when.. 🔗 External reference
The most essential schematic to understand for any robot, whether for beginners or advanced users, is the circuit designed to control the robot's power source. It is inadequate to connect a battery directly to all components and expect proper...
Another adjustment of application operational amplifiers to adapt a power supply is apparent below. The power supply requires an additional adjustment to supply the op-amps with a bipolar voltage (+/- 8 volts), and the negative voltage is also used...
The supply receives -20 V from the rectifier/filter, which is connected to the collector of the Darlington PNP pass transistor, a TIP105. The base drive for the TIP105 is provided through resistor R5. The base of the TIP105 is...
This is an adjustable constant current regulator circuit. This circuit can be used in a bench power supply to prevent the circuits that are tested from being damaged.
The adjustable constant current regulator circuit is designed to provide a stable...
An increasing number of appliances draw a very small current from the power supply. If designing a mains-powered device, it is generally advisable to consider the current requirements.
The trend of modern appliances utilizing minimal power consumption necessitates careful consideration...
This circuit, based on a National Semiconductor application note, utilizes an LM317 3-terminal regulator (REG1) due to its integrated over-current and over-temperature protection features. The output current is amplified to slightly over 5A using the MJ2955 transistor (Q1). The...
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