MC79L15ACLPR

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The MC79L15ACLPR is a three-terminal negative voltage regulator from the PMIC - Voltage Regulators - Linear series. It offers an output voltage range of -2.2 V and -8 V, devices with an adjustable output voltage, and an output current range of 0.12 A up to 1.5 A. The MC79L15ACLPR is designed to deliver a regulated voltage with a low dropout voltage, low power dissipation and low temperature coefficient.

Application Fields

The MC79L15ACLPR is a highly integrated voltage regulator with a very low dropout voltage and very good power dissipation, suitable for a variety of applications. It is an ideal choice for applications such as telecom systems, notebook and industrial computing, automotive and consumer electronics, which require an output voltage that is adjustable, stable and reliable. The output voltage accuracy is within 1% over line and load regulation.

Working Principle

The MC79L15ACLPR comprises of a bandgap voltage reference, a voltage error amplifier and a low dropout (LDO) linear regulator. Its working principle is based on the negative feedback principle, in which the output voltage is regulated by comparing it with the reference voltage, and output stability is maintained by providing feedback requirements. When the output voltage is being regulated, the error amplifier is going to compare the output voltage with a reference voltage and then will produce a corresponding signal current which is fed back to the LDO linear regulator. The current will then modify the output voltage until the it is equal to the reference voltage. During normal operation, the current depends on Vout, the reference voltage, and the change in the supply voltage.

The MC79L15ACLPR also has a low output voltage accuracy and a fast response time which make it suitable for applications which require reliable and accurate voltage regulation. It also has low temperature coefficients which enable it to maintain good output voltage over a wide range of temperature changes.

In conlusion, the MC79L15ACLPR is a highly integrated voltage regulator which has a low dropout voltage, low power dissipation, and low temperature coefficient, suitable for a variety of applications. It is an ideal choice for applications that require an output voltage which is adjustable, stable and reliable. The MC79L15ACLPR\'s low output voltage accuracy and fast response time make it suitable for applications which require reliable and accurate voltage regulation.

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