CAT6219-250TDGT3

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CAT6219-250TDGT3 is a high-efficiency, low-dropout linear voltage regulator designed specifically for applications where low heat dissipation and small solution size are key factors. It is ideal for use in various consumer, portable, and industrial applications that require low dropout voltage and excellent transient response characteristics. CAT6219-250TDGT3 is available in two different configurations: a 3-pin SOIC and a 3-pin TO-251 package.

The CAT6219-250TDGT3 is extremely efficient, delivering up to 95% power efficiency in typical applications. It offers a wide input range from 2.6V to 18V and a wide output range from 0.8V to 10V. The high efficiency of the regulator is further enhanced by its low dropout voltage, which is typically 0.65V at full load. This ensures stable output voltage and minimal power wasted by the voltage regulator. The CAT6219-250TDGT3 also features an adjustable output voltage that can be tuned using its on-chip resistor divider.

Application Field

The CAT6219-250TDGT3 is ideally suited for use in several applications, including battery-powered equipment, portable instrumentation, automotive applications, and battery-backed-systems. It is also ideal for any application that requires an extremely small solution size or low dropout voltage. The regulator is designed to reliably regulate voltage under severe transient conditions and offers excellent power efficiency, making it ideal for use in battery-powered applications.

The CAT6219-250TDGT3 has a wide operating temperature range from -40°C to 85°C and is available in both a 3-pin SOIC package and a 3-pin TO-251 package. This makes it suitable for a variety of applications, including those with high temperatures and harsh environmental conditions. The low dropout voltage of the regulator ensures that it is highly efficient and can maintain a consistent output voltage, even under severe operating conditions.

Working Principle

The CAT6219-250TDGT3 is a linear voltage regulator, which means it works by converting a higher input voltage to a lower output voltage in order to ensure a stable output voltage. The regulator includes an internal field-effect transistor, commonly referred to as an FET, which acts as a linear voltage regulator. When the input voltage is higher than the output voltage, the FET\'s gate creates a resistance between the input and output. This resistance causes a drop in the input voltage, adjusting it to the desired output voltage level.

The CAT6219-250TDGT3 provides excellent transient response, allowing it to quickly adjust the output voltage when a sudden change in load or input voltage occurs. In addition, its low dropout voltage ensures that the regulator is highly efficient and has minimal power dissipation. This ensures that the regulator can maintain a stable output voltage without wasting any energy.

The CAT6219-250TDGT3 also has an on-chip resistor divider, allowing its output voltage to be adjusted with minimal effort. This makes the regulator easy to use and fine tune for a variety of applications.

Conclusion

The CAT6219-250TDGT3 is a high-efficiency, low-dropout linear voltage regulator designed for applications requiring a small solution size and low power dissipation. It provides excellent power efficiency, a wide input range, and an adjustable output voltage, making it ideal for use in a variety of applications, including battery-powered equipment, portable instrumentation, automotive applications, and battery-backed-systems.

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