BD30HA3WEFJ-E2

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The BD30HA3WEFJ-E2 is a low-voltage linear voltage regulator from the Panasonic Family. It is a voltage regulator which can provide a low output voltage with high accuracy and low power consumption. The device is suitable for applications such as laptop power supplies, battery operated gadgets, automotive electronics, and other power-dependent devices. The circuit consists of a P-channel power MOSFET, a voltage regulator, a driver and a low-battery sensing circuit.

BD30HA3WEFJ-E2s are especially useful in low-noise power supply applications due to their excellent ripple rejection and low drop-out voltage performance. The device also has built-in protection features such as short-circuit and over-temperature protection. The device is available in three output voltage options of 4.5V, 5V and 10V.

The working principle of the BD30HA3WEFJ-E2 is based on the feedback principle. In the circuit, the comparator compares the output voltage feedback from the sense element to the reference voltage. When the output voltage is lower than the reference voltage, the comparator will turn on the P-channel MOSFET and the output is increased. When the output voltage is higher than the reference voltage, the comparator will turn off the P-channel MOSFET and the voltage drops. This way, the regulator circuit maintains a constant output voltage.

The BD30HA3WEFJ-E2 is used in a wide range of applications, including those requiring a constant voltage and/or current, such as laptop power supplies, automotive electronics, and battery operated gadgets. The device is also suitable for applications requiring low power consumption and high accuracy, such as clock circuits and logic voltage sources. Additionally, the built-in protection features make the device suitable for a wide range of automotive and battery operated electronics.

The BD30HA3WEFJ-E2 provides many features, such as low power consumption, good ripple rejection, and high accuracy. Additionally, the device is protected from both short circuit and over-temperature events. The device is available in three output voltage options, making it suitable for a wide range of applications.

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