KA7812ERTF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Voltage regulators are an important component of any electrical circuit, controlling the output voltage and ensuring reliable operation of any system. The KA7812ERTF is a linear voltage regulator, often used to provide constant voltage/current regulation.

The KA7812ERTF is a three-terminal adjustable voltage regulator designed for applications that require an output voltage from 1.2V TO 12V. It can be used in personal, commercial and automotive electronic designs for a variety of functions. For example, it can be used as a power supply for microcontrollers, as a variable battery charger or as a variable current source for LED lighting.

The working principle of the KA7812ERTF voltage regulator is relatively simple. It uses a variable-bias reference design to maintain a constant output voltage, based on an internal reference voltage. This voltage is adjustable and can be set using an external potentiometer. The regulator also contains an error amplifier, which monitors the output voltage and compares it to the reference voltage. When the two voltages are not equal, the error amplifier adjusts the voltage across the control element – a series pass transistor – so that the output is regulated to the desired level.

The KA7812ERTF also has several features that make it ideal for high-current applications. These include thermal and current protection features that automatically shut down the device in the event of over-current or over-temperature conditions. The KA7812ERTF is also designed for improved efficiency, allowing the regulator to maintain a tighter output voltage with less heat dissipation.

The KA7812ERTF is a versatile, reliable and cost-effective device, making it a popular choice for applications that require a constant voltage/current output. It is available in various package sizes to fit specific designs and provides improved thermal and current protection to keep the system running reliably.

The specific data is subject to PDF, and the above content is for reference