Description: This circuit is useful for a bench supply in the lab. Separate or tracking operation is possible. The regulators should be properly heatsinked. Tl is a 24-Vac wall transformer of suitable current capacity.
The described circuit functions as a laboratory bench power supply, capable of providing either separate or tracking output voltages. The use of a 24-Vac wall transformer (Tl) serves as the primary power source, delivering the necessary alternating current input for the power supply.
The circuit is designed to incorporate voltage regulators that convert the AC input into a stable DC output. To ensure reliable operation, these regulators must be adequately heatsinked to dissipate the heat generated during voltage regulation, thereby preventing thermal overload and ensuring long-term stability and performance of the circuit.
In separate operation mode, the circuit allows for independent output voltages from each regulator, which can be adjusted to meet specific voltage requirements for various laboratory applications. In tracking operation mode, the outputs are configured to maintain a constant voltage difference, which is particularly useful when powering devices that require a specific voltage ratio.
The design considerations for this circuit include selecting appropriate voltage regulators that can handle the expected load current and ensuring that the transformer has a current rating sufficient to support the combined output of the regulators. Additionally, the layout of the circuit should minimize noise and interference, ensuring clean power delivery for sensitive laboratory equipment.
Overall, this bench supply circuit is versatile and efficient, making it a valuable tool in a laboratory setting for powering a wide range of electronic devices and experiments. This circuit is useful for a bench supply in the lab. Separate or tracking operation is possible. The regulators should be properly heatsinked. Tl is a 24-Vac wall transformer of suitable current capacity.
By combining a standard 78L05 voltage regulator with an integrated audio amplifier, specifically the TDA2030, it is possible to construct a simple yet effective adjustable voltage regulator. This regulator can output a voltage adjustable up to 20 V and handle...
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...
Before designing an adjustable voltage regulator into a circuit or performing a redesign, it is necessary to calculate the values for two resistors. While this process is straightforward, sourcing the appropriate resistors may present challenges. Fortunately, a method exists to...
This regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3 amps or more by selecting a smaller current sense resistor (0.3 ohm). The...
A regulated 5-volt DC supply is essential for powering microcontroller and TTL-based circuits. The output of most wall adapters is often too rippled and impure for use in digital circuits. An inexpensive power supply can be constructed using discrete components...
MC78L15ABPG positive voltage regulator, 100mA, TO-92
The MC78L15ABPG is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 15V with a maximum output current of 100mA. This device is packaged in a TO-92 form factor, which is...
This circuit regulates a DC power output and has a wide range of applications. It can be utilized to control the speed of a motor, a pump, a toy train, or the brightness of an LED or lamp. Essentially, it...
LM5576MHX absolute maximum ratings: (1) VIN to GND: 76V; (2) BST to GND: 90V; (3) PRE to GND: 76V; (4) SW to GND (Steady State): -1.5V; (5) BST to VCC: 76V; (6) SD, VCC to GND: 14V; (7) BST to...
The size of the tread was 5 cm by 3 cm. The current design measures 5 cm by 3.3 cm. The regulator's foundation is based on Walt Jung's 1997 article, "Regulator Excels in Noise and Line Rejection," with modifications derived...
We use cookies to enhance your experience, analyze traffic, and (if you allow) serve personalized ads.
By clicking Accept All, you agree to our use of cookies.
Learn more