TL3842BD

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

The TL3842BD is a type of charge pump DC-DC switch regulator controller from Texas Instruments. Its main applications include driving LEDs and providing power supplies for small handheld electronics, such as cell phones. It is a Type-D (buck) motor controller, allowing the designer to implement an accurate and efficient buck converter. The TL3842BD can regulate the output voltage and switching frequency of the buck converter, helping designers to optimize their converter’s system efficiency with minimal design effort.

The TL3842BD’s basic operation consists of controlling a field-effect transistor (FET) switch which is connected to the input voltage supply. The switching frequency and output voltage of the buck converter is then determined by the current through the switch, which is itself controlled by the voltage on the charge pump capacitor. The charge pump capacitor is charged through the external inductor and feedback resistors, providing stable and consistent voltage regulation.

The TL3842BD offers several features which make it an attractive choice for engineers looking to implement a buck converter. First, it has a low start-up current and low intraconnection resistance. This enables the device to turn on quickly which means less power is wasted when the device is starting up. Second, the TL3842BD offers a wide operating voltage range of 2.4V - 28V. This makes it suitable for use in a variety of applications which require high voltage, such as LED lighting systems.

Another feature of the TL3842BD is its ability to ramp up or down the output voltage and switching frequency. This level shifting capability allows it to be used in a wide range of applications, such as cell phones and other mobile devices, where the input voltage may vary due to battery life or other factors. The device also offers protection features such as over current, over voltage and thermal shutdown, making it very suitable for applications which require reliable protection.

In summary, the TL3842BD is a versatile and efficient charge pump DC-DC switch regulator controller. It offers several features which make it attractive to engineers, such as low start-up current, wide operating voltage range, and level shifting capability. It is also suitable for a number of applications which require reliable protection, such as handheld devices and LED lighting systems.

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