BU33TA2WHFV-TR Integrated Circuits (ICs)

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BU33TA2WHFV-TR is a linear voltage regulator, which belongs to Power Management Integrated Circuits (PMIC) – Voltage Regulators group. It is designed for applications in desktop personal computers (PC), servers, and consumer electronics. This regulator is majorly used for 3.3V, 5V and 12V intermediary power.

The regulator supports a wide range of input voltage from 6V to 20V, providing an output voltage range of 1.2V to 15V. Its quiescent current operation is 7mA when the output is loaded at 7mA, with a maximum peak current of 1.5A. The maximum safe operational junction temperature for the regulator is 150ºC.

The equivalent series resistance (ESR) of the regulator is 70mΩ (at 6V input voltage, 1.2V output voltage, 20mA output current), which minimizing the power loss resulting from thermal heating. ESR will increase as the output load is increased. The regulator also offers a high level of noise reduction, which helps to keep the output voltage stable when dealing with interference.

The regulator is equipped with integrated reverse-Diode protection, over-voltage protection and over-temperature protection. The reverse-Diode protection prevents the over-voltage input and the over-voltage protection helps with the insertion/extraction of the IC. The over-temperature protection shuts down the regulator when the output current exceeds the upper limit to avoid further damage and improve reliability.

The regulator is designed with a low-dropout (LDO) architecture, which helps to improve the stability and accuracy of the regulator even at high frequencies. It has a fast response time, allowing it to quickly adjust the output voltage in case of sudden changes in input voltage and to maintain a consistent output voltage. Furthermore, the regulator automatically compensates for capacitance, inductance and resistance in order to increase the dynamic response time.

The quiescent current of the regulator stays relatively constant regardless of variations in load or input voltage. Therefore, it is suitable for a wide range of applications, including automobile electronics, battery chargers and power electronics.

The BU33TA2WHFV-TR regulator is also handy in mobile devices, as it offers excellent transient response without the need for a compensation network. The regulator also provides good bias current stability, which helps to minimize output voltage ripple.

The regulator is highly efficient: it has a drop-out voltage of 250mV at 1A load, and a low quiescent current of 7mA. Moreover, it has a fast transient recovery time of 10µs, so it quickly returns to the nominal output voltage after any dynamic load changes.

In summary, the BU33TA2WHFV-TR regulator could be a great choice for applications requiring a reliable and accurate voltage regulator, especially desktop PCs, servers, and consumer electronics. It is an ideal solution for energy-efficient and low-noise solutions thanks to its improved efficiency and noise reduction features. Furthermore, its low-dropout architecture and reverse-diode protection make it a great choice for mobile device applications.

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