Ampere or Current Booster Circuit
The circuit utilizes voltage regulators, which are essential components in power supply designs, ensuring that the output voltage remains stable despite variations in input voltage or load conditions. The LM708 is a precision voltage regulator with a fixed output, while the LM317 is an adjustable voltage regulator that allows for a range of output voltages by using external resistors.
When designing with these regulators, it is important to consider the input voltage range, the maximum output current, and the thermal performance of the components. The LM317, for example, can output up to 1.5A, but heat dissipation must be managed through appropriate heatsinking to prevent thermal shutdown.
In constructing the circuit on a veroboard, careful planning of the layout is crucial to minimize noise and ensure reliability. The input and output capacitors should be placed close to the regulator pins to improve transient response and stability. Additionally, bypass capacitors should be used to filter high-frequency noise.
In summary, this circuit serves as a practical solution for applications requiring regulated voltage, offering flexibility and ease of construction on a veroboard with commonly available voltage regulators.Small and very useful circuit, Can be built on a veroboard Volt regulators such as the LM708, and LM317 series (and others) sometimes need to provide a li.. 🔗 External reference
Related Circuits
A portable four dimmer switch circuit is illustrated in Figure 8, featuring a four-speed brightness adjustment. When switches S1, S2, and S3 are all closed, the lamp operates at its brightest setting. When S1 and S2 are closed while...
The 15V zener is fed via the 4.7k resistor from the input. With 0.6V across the base-emitter of the PNP transistor, this establishes a voltage of 14.4V across the 3.3k resistor, so there must be a current of nearly...
This circuit outputs a voltage of 14 volts with a maximum current of 4A. It can be used for NiCad batteries and accumulators, both wet and dry types. However, the accumulator must be rated for 12 volts and have...
A phase-controlled dimmer delays the triac turn-on to a selected point in each successive AC half cycle. This circuit is suitable only for incandescent lamps, heaters, soldering irons, or universal motors that have brushes. A phase-controlled dimmer is an electronic...
This circuit is a six-band graphic equalizer that allows modification of sound across low, mid, and high frequencies using an IC 741 operational amplifier. It enables management and mixing of frequencies and tones as desired. The audible frequency spectrum...
The circuit utilizes a quad voltage comparator (LM339) as a basic bar graph meter to display the charge status of a 12-volt lead-acid battery. A 5-volt reference voltage is applied to each of the positive (+) inputs of the...