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PMIC - Voltage Regulators - Linear

Introduction to BD25GA3WEFJ-E2

The BD25GA3WEFJ-E2 voltage regulator (VR) is a three-terminal device designed for voltage regulation. It is specifically designed for use in electronic systems and applications requiring a regulated output voltage from a DC power supply, such as personal computers, cell phones, navigation systems and network equipment. The BD25GA3WEFJ-E2 is a linear regulator and adjusts its output voltage in order to maintain a regulated output voltage even when an input voltage varies. It provides high accuracy and low power dissipation, making it an ideal choice for a wide variety of applications.

Technical Features

• Input Voltage: 2.5V-21V
• Output Voltage: 0.6V to 18V
• Output Current: 2A
• Line Regulation: 0.2%
• Load Regulation: 0.5%
• Operating Temperature: -40 C to +85 C
• Package: 8-Pin TO-252

Application Fields

The BD25GA3WEFJ-E2 provides excellent performance in a variety of applications, including personal computers, notebooks, cell phones, navigation systems, and network equipment. In addition to these applications, it is also suitable for use in applications requiring a regulated output voltage such as DC power supplies, communications systems, industrial control and test instruments.

Working Principle

The BD25GA3WEFJ-E2 is a linear voltage regulator, which operates by comparing its input voltage to a reference voltage and then regulating its output voltage by controlling the amount of current passing through it. When the input voltage is higher than the reference voltage, it decreases the current passing through it, which decreases the output voltage. Conversely, when the input voltage is lower than the reference voltage, it increases the current passing through it, which increases the output voltage. The BD25GA3WEFJ-E2 also provides current limit protection, overtemperature protection and soft start features to help ensure reliable operation.

Conclusion

The BD25GA3WEFJ-E2 is a highly-accurate, low-power linear voltage regulator designed for use in a variety of applications. It provides excellent performance, accurate voltage regulation and current limiting protection, making it an ideal choice for any application requiring a reliable voltage regulation solution.

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