BU34TA2WNVX-TR

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BU34TA2WNVX-TR is a low drop-out linear voltage regulator highly suitable for portable applications. It offers excellent current capabilities of up to 5A and up to 10.5V output voltage. The regulator also features low output noise and low power consumption, making it an ideal choice for a range of power-sensitive handheld devices.

Application Field

The BU34TA2WNVX-TR is suitable for a wide range of applications, including those in notebook PCs, cellular phones, digital cameras, PDAs, and portable medical equipment. The regulator has a versatile design that can be used for USB port voltage regulation, battery-driven power supplies, and power system stabilization. The regulator is especially useful for portable devices that need a low size and low power consumption, but still require stable voltage regulation.

Working Principle of BU34TA2WNVX-TR Regulator

The BU34TA2WNVX-TR low drop-out voltage regulator works with a standard series voltage regulator configuration. It features a voltage reference connected to an adjustable resistor, which is connected to the grounded input pins. The output is connected to the load, with the load control being accomplished by the reference voltage. The voltage reference controls the output voltage and the current limit. The voltage reference is programmed to limit the current, depending on the load current requirement.

The output is also protected by an over-voltage protection circuit, which turns off the output if the voltage exceeds a predetermined value (typically 6V). The output is also protected against current overloads, which is often the main challenge for a low drop-out regulator. Additionally, the BU34TA2WNVX-TR regulator protects its components against overheating, which can occur from heavy loads or from ambient heat.

The BU34TA2WNVX-TR regulator also offers low output noise, making it an ideal choice for sensitive applications. The noise can be further reduced by employing an external bypass capacitor to reduce any high frequency noise that can result from load switchi. This can be achieved by connecting the capacitor between the regulator’s output and ground.

Overall, the BU34TA2WNVX-TR low drop-out linear voltage regulator is a versatile, low noise, and low power solution for a wide range of power supply applications. It offers excellent current capabilities, low output noise, and low power consumption. The protection circuits ensure the safety and reliability of the system even under environmental extremes, making it ideal for use in portable devices that need to be powered by a small, efficient, and reliable voltage regulator.

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