The 723 voltage regulator is commonly used for series voltage regulator applications. It can be used as both positive and negative voltage regulator. It has an ability to provide up to 150 mA of current to the load, but this can be increased more than 10A by using power transistors.
Which type of regulator is IC 723?
op-amp voltage regulator
IC 723 is used as an op-amp voltage regulator. Output current: up to 150 mA.
How is IC 723 used as a high voltage regulator?
IC723 as a HIGH voltage HIGH Current: An external transistor Q is added in the circuit for high voltage low current regulator to improve its current sourcing capacity. For this circuit the output voltage varies between 7 & 37V. Transistor Q increase the current sourcing capacity thus IL (MAX) is greater than 150mA.
Which is the output pin for 723 voltage regulator?
It consists of a voltage reference source (Pin 6), an error amplifier with its inverting input on pin 4 and non-inverting input on pin 5, a series pass transistor (pins 10 and 11), and a current limiting transistor on pins 2 and 3.
What are the limitations of IC 723?
Output voltage is not adjustable These limitations can be overcomes in IC723. 2. Adjustable regulated output voltage between 2 to 3V. 3….The Unregulated input voltage ±Vcc is applied to the voltage reference amplifier as well as error amplifier.
- Error Amplifier:
- Series Pass Transistor:
- Circuitry to limit the current:
What are the limitations of 723 regulators?
The minimum voltage that can be achieved from IC 723 Regulator Circuit is 2 V, and the maximum is around 37 V. The peak voltage that can handled by the IC is 50 V in pulsed form, and 40 V is the maximum continuous voltage limit.
What are the applications of IC 723?
The various Applications of IC 723 Voltage Regulator are namely:
- Basic Low-voltage Regulator (Vo = 2 to 7 volts)
- Low Voltage High Current Regulator.
- Basic Positive High Voltage Regulator.
- Positive High Voltage High Current Regulator.
- Negative Voltage Regulator.
Which of the following is advantages of IC 723?
There are some important features of IC 723 regulators which are as given below. It has wide variety of applications such as series, shunt, switching and floating regulators. Relative simplicity with power supply can be designed. It has small in size and lower in cost.
Which is the most commonly used low voltage switching regulators?
silicon steel EI butt stack
12. Which is the most commonly used low voltage switching regulators? Explanation: The silicon steel EI butt stack exhibits high permeability high flux density and ease of construction and mounting therefore, it is most commonly used in low voltage switching regulators.
What is the maximum output voltage of an IC 723 regulator?
The maximum supply voltage is 40 V, and the line and load regulations are each specified as 0.01%. The figure shown below is a positive voltage regulator with an IC 723. The output voltage can be set to any desired positive voltage between (7-37) volts. 7 volts is the reference starting voltage.
What is the IC 723 used for?
The IC 723 is a general purpose, extremely versatile voltage regulator IC, which can be used for making various types of regulated power supplies such as:
How to connect IC 723 to an external transistor?
The answer is to make use of another 8.5 V supply for your device 723 and a lower voltage supply to the external transistor. Instead of working with individual transformer windings for the a pair of supplies, the supply source to the IC 723 is basically extracted through a peak rectifier network comprising of D1/C1.
What does the number 7 mean in the IC voltage formula?
The number 7 in the formula indicates the reference value, and also minimum output voltage the IC can deliver. For getting fixed output voltages lower than 7 V, this number in the formula could be replaced by the desired minimum voltage value.
