MC33269DTRK-012G

The MC33269DTRK-012G Linear Voltage Regulator is a low-dropout (LDO) voltage regulator designed to fit a wide range of application fields. It offers small size, low noise, low temperature coefficient, and good thermal stability. This device is capable of providing up to 500mA of current, in a space saving SOT-223 package with a maximum dropout voltage of 1.2V. The regulator can offer an output voltage range of 1.25V to 5.0V, with an accuracy of ±1.0%. It has built-in short circuit protection, over-current protection, and a power-on reset feature.

The MC33269DTRK-012G is best suited for a variety of applications such as power supply modules, portable electronics, RFID readers, and audio amplifiers. It provides low power consumption and excellent protection of the regulated power supply and can be used as a DC/DC converter for high current draw applications. The regulator is also an ideal solution for isolated power source systems or emergency safety applications.

The working principle of the MC33269DTRK-012G is simple. It consists of a voltage-sense circuitry, an error amplifier, and a pass device that controls the output voltage. The error amplifier is driven by an external voltage reference and senses the output voltage of the regulator. If the output voltage falls below the reference voltage, the error amplifier will provide a signal to the switching pass device, which will then increase the current from the input source to bring the output voltage back to its preset level. Conversely, if the output voltage goes above its set level, the error amplifier will activate the pass device to reduce the current supplied to the output terminal. The MC33269DTRK-012G also has built-in protection features such as short circuit protection, over-current protection, and a power-on reset feature, to protect the circuit from sudden overload and power off conditions.

In conclusion, the MC33269DTRK-012G is a small and low-noise linear voltage regulator designed for a wide range of applications. It offers a range of 1.25V to 5.0V output voltage, with an accuracy of ±1.0%, and a maximum dropout voltage of 1.2V. With its built-in protection features, this regulator is an ideal choice for businesses looking for a reliable, space saving, and cost-effective solution for powering their systems.