BD25GA3MEFJ-LBH2

The BD25GA3MEFJ-LBH2, a PMIC voltage regulator linear, is a monolithic integrated device, developed by ROHM Co. Ltd. It is used for stabilizing and regulating the supply voltage and deliver accurate output. It is typically used to provide a stable supply voltage for various devices, including potentially undersized or overloaded systems.

Features of BD25GA3MEFJ-LBH2

The BD25GA3MEFJ-LBH2 has multiple features, making it suitable for various applications. Its operating temperature range is -40°C to +105°C, which means it can be used in extreme temperatures. It also has a very low dropout voltage of 200mV and high output accuracy of ±0.5%.

The device comes with over-current protection, short-circuit protection, open-circuit protection, and over-temperature protection, which enhances its stability and reliability. Additionally, it has a low standby current of only 2μA, allowing for energy savings. The BD25GA3MEFJ-LBH2 is ideal for various kinds of voltage regulation, as it has an output voltage range of up to 3.3V and up to 5A of output current.

Application of BD25GA3MEFJ-LBH2

The BD25GA3MEFJ-LBH2 is popularly used for the automatic voltage regulating and stabilizing of various devices that support 5A output current. It is suitable for small-sized power supply design, such as small notebook PCs, cameras, and a variety of other portable electronic devices. The device can also be used as a battery charger, providing a highly accurate output voltage.

It can also be used for electrophotographic printers, copiers, and other office equipment that require precisely regulated, stable power supplies. Furthermore, the device is suitable for motor drive systems, communication systems, and other equipment that needs stable and accurate voltage regulation.

Working Principle of BD25GA3MEFJ-LBH2

The device is designed to supply voltage to the load by using a series of transistors and resistors. When voltage is applied across the device, transistors effectively switch on and off to regulate the incoming voltage to the level as required by the load. The output of the transistor is connected to the resistors, which help the device maintain a steady current for the load.

The BD25GA3MEFJ-LBH2 integrates thermal shutdown and overcurrent protections, and features fast response to the input voltage fluctuations. These features help the device keep the voltage variation to an absolute minimum and supply the desired amount of current to the load. The device also integrates a series of safety features, including short-circuit protection and over-temperature protection.

Conclusion

The BD25GA3MEFJ-LBH2 PMIC voltage regulator linear is a highly efficient and accurate device that offers many features such as a low dropout voltage and high output accuracy. It is suitable for a variety of applications, including motor drive systems, small portable electronic devices, communication systems, and electrophotographic printers. The device also integrates several safety features, allowing for greater reliability. The BD25GA3MEFJ-LBH2 takes advantage of transistor switching and resistor current supply to achieve the desired output voltage.