TPS78628KTTT

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TPS78628KTTT Voltage Regulator – Linear Application Field and Working Principle

A voltage regulator is a power electronic regulation device used to maintain an output voltage at a set value, regardless of the input voltage. Voltage regulators are generally divided into two types: linear and switching. This article focuses on the application field and working principle of the Texas Instruments TPS78628KTTT linear voltage regulator.

Application Field

The TPS78628KTTT voltage regulator is a high performance adjustable linear regulator with an adjustable output voltage range of as low as 0.8V up to 6V. Its features, in combination with its low noise, are ideal for a variety of applications, including power supplies for sensors in instrumentation systems and computer systems, power supplies for logic circuits, and power amplifiers for audio equipment.

Working Principle

The working principle of the TPS78628KTTT voltage regulator is as follows:

• The regulator is supplied with input voltage.
• The input voltage is compared with a given reference voltage.
• If the input voltage is greater than the reference voltage, the difference between the two is amplified.
• The amplified difference (error signal) is used to drive the output MOSFET.
• The output MOSFET modulates the output voltage until it reaches the set point.

In addition, the TPS78628KTTT voltage regulator also has a number of protections and control functions. It has an adjustable voltage limit and over-voltage protection, as well as over-temperature protection. Furthermore, it can also be set to function as an economical low dropout regulator (LDO).

Conclusion

The Texas Instruments TPS78628KTTT voltage regulator is a highly capable, programmable and economical voltage regulator. Its adjustable output voltage, low noise, and various protection features make it suitable for a wide range of applications. Its adjustable output voltage, low noise, and various protection features make it an ideal choice for many applications where reliability, versatility, and affordability are key.

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