BD3940FP-E2

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 BD3940FP-E2 is a 3V/0.2A integrated linear regulator IC dedicated to automotive applications. It is produced by ROHM and designed for applications where low-noise, low dropout and low power consumption are essential. The BD3940FP-E2 offers a very low quiescent current and a low-dropout voltage. It is also protected against over-voltage and reverse supply protection. Moreover, it features low-noise noise and high ripple rejection. This makes the IC ideal for automotive applications such as infotainment systems and body systems.

The BD3940FP-E2 features two independent output voltage options. The first output voltage can be set from 1.8V to 5V, while the second output voltage can be adjusted from 0.8V to 5V. It is also equipped with start up mode and power on/off control. It has a wide operating temperature range, from -40℃ to +125℃. In addition, the BD3940FP-E2 provides excellent electrical performances, featuring low ripple noise, low output voltage noise and high peak output current.

The main application field of the BD3940FP-E2 is automotive infotainment systems, body systems and anywhere applicable high-performance driver ICs are required. It is suitable for systems with low voltage operation, low power consumption and low-noise or low dropout requirements. The device provides high-efficiency, high peak current output and a wide voltage range. It is also suitable for applications that require low noise, in order to prevent interference with connected components.

The BD3940FP-E2 can also be used in a variety of power distribution applications. Under emergency situations, it can supply power for a longer period of time, as it is equipped with a high current output. It can also support a wide variety of input and output voltages, which makes it an ideal solution for power distribution.

The working principle of the BD3940FP-E2 is fairly straightforward. It relies on a NPN bipolar junction transistor (BJT) to regulate the output voltage. When power is applied to the IC, the output voltage value is created by the voltage drop across the BJT. This produces a small amount of power and has very little effect on the output voltage. The device also features a low-noise output and is able to reduce voltage fluctuations. As a result, it is able to provide a very clean voltage to the system and ensure smooth operation.

Operationally, the BD3940FP-E2 is also very efficient. It is able to maintain a stable output voltage with minimal power consumption. It can also support a wide range of input and output voltages, which makes it an ideal solution for applications that require high-performance driving ICs. With its high current output, the device is also suitable for powering systems under emergency conditions.

In conclusion, the BD3940FP-E2 is a 3V/0.2A integrated linear regulator IC dedicated to automotive applications. It is capable of providing low-noise, low dropout, and low power consumption while providing excellent electrical performance. The device is suitable for applications such as infotainment systems and body systems, as well as other power distribution applications. Its working principle is based on an NPN BJT, and it is able to ensure stable output voltage over a wide range of input and output voltages.

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