TLV70028DCKR

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The TLV70028DCKR voltage regulator is a member of the Texas Instruments TLV7000 family. It is part of the PMIC - Voltage Regulators - Linear category of integrated circuits. It is a linear adjustable regulator with many features built into a small 8-pin DIP package, including low dropout, low quiescent current, an internal reference voltage, and an enable/disable function. This article will discuss the application fields, working principle, and features of the TLV70028DCKR.

Application Fields

The TLV70028DCKR has numerous potential applications. It is designed to supply power to a variety of components, ranging from low-current applications, to those that require higher current-carrying capability. Because of its low dropout voltage and low quiescent current, it is ideal for applications with limited power sources. Its enable/disable feature also makes it suitable for portable and handheld applications that require power saving while in standby. It can also be used in automotive applications, and in circuitry requiring low power consumption.

Working Principle

The TLV70028DCKR works by regulating the output voltage based on an internal reference voltage. It provides voltage regulation through an internal circuit that uses an internal voltage reference as the basis for voltage regulation. The output voltage is set by connecting an external resistor between the adjust pin and ground, allowing it to scale the output voltage. In addition, the enable/disable pin can be used to shut off the output current when not in use, which can help save power for applications with limited resources.

Features

The TLV70028DCKR has a few key features that make it stand out from other linear regulators. First, it has an adjustable current limit of 0.12A (typical). This means that it can regulate both low-load and higher-load applications, making it suitable for a wide range of applications. It also has an EN/OFF pin that allows the regulator to be turned off when not in use, conserving power. This can be especially beneficial in applications with limited supplies or battery-operated devices.

The TLV70028DCKR also features an under-temperature protection circuit that prevents the output voltage from declining more than 10% when temperatures exceed a specified limit, ensuring safe operation. Additionally, it contains an over-voltage protection circuit that prevents output voltages from exceeding specified levels, improving system reliability and robustness. This makes it a great choice for applications with higher voltage requirements.

In addition, the TLV70028DCKR contains a thermal shutdown circuit that shuts down the regulator when temperatures rise too high. This helps protect the regulator from damage, which would otherwise be caused by excessive temperatures. It also has an output voltage of 1.2V and adjustable range of 1.2V to 15V, allowing for a wide range of applications.

Conclusion

The TLV70028DCKR is an adjustable voltage regulator that is ideal for a variety of applications. It has an adjustable current limit, an enable/disable pin, an under-temperature protection circuit, and an over-voltage protection circuit, making it a great choice for applications ranging from low-power to higher-power devices. Additionally, its low dropout and low quiescent current capabilities make it a great choice for applications requiring low power consumption. Its built-in features make it an excellent choice for power regulation and system reliability.

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