TL780-15KCS

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TL780-15KCS is a version of Voltage Regulator manufactured by Texas Instruments, belonging to category of Linear Regulators. Linear voltage regulators are most often used for powering low power devices because of their easily availability and low cost. They are the simplest and most popular form of voltage regulator and usually provide great control to the device, making them highly reliable and efficient. TL780-15KCS is a positive voltage regulator that enables to regulate the output voltage at a fixed value. It provides an output current up to 15 Amps and can handle up to 35 volts. It is designed with a low dropout feature that enables to function with only 1.2 Volts of differential voltage between output and input. This means that this device can be used in a wide range of voltage regulation applications in which power source is not as strong and reliable. Applications TL780-15KCS is widely used in automotive electronics like car radios, car amplifiers and digital displays. Since the regulator functions with low input voltage and output current limits, it is suitable for wide range of automotive applications where devices are powered from varying power sources. It is also used in industrial devices like switches, digital instruments, computers and other medical equipments for voltage regulation. The output range that can be achieved through this device is between 1.2 to 25 Volts as adjustable ruggedness and amount of pulses provide accuracy and repeatability. It is also used in LED lightings and LED displays to regulate the current and voltage and provide accurate and high quality source of light to the LED. Working Principle TL780-15KCS works on the principles of Voltage Regulation by dissipating energy in form of heat. It works on the basic principle of converting energy from one form to another to maintain predetermined voltage level. A voltage regulator is basically a linear integrated circuit, which controls the output controlled by feedback loop technique. It monitors the output voltage and adjusts its operation with the help of externally set reference voltage. It employs an internal horizontal type P-MOSFET and a bipolar transistor as a regulator to achieve highly accurate output voltage. The reference voltage is set through an external pin and the output voltage is generally kept at a higher level than the reference. A Zener diode is used in conjunction with the bypass capacitors for the input and output sides for noise reduction and for providing stability. The P-channel MOSFET acts as a switch to control the regulated output voltage and the bipolar transistor acts as a current sensing device. The transistor acts like a short circuit and by passing the voltage pulses to the P-channel MOSFET which act as a switch. This switch further adjusts the output voltage keeping it at a safe level. This voltage regulation helps to maintain the desired current level when the output load changes. Overall, the TL780-15KCS is an efficient and reliable linear voltage regulator which is accurate, easy to operate and cost efficient. It provides great control over current and voltage levels while providing excellent accuracy and accuracy repeatability. Its wide range of adjustable output ranges and output current are some of the advantages of this device.

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