BH19PB1WHFV-TR

PMIC (Power Management Integrated Circuit) Voltage regulators are widely used in many systems of different scales for achieving stabilizing the voltage of the power supply in given limits to obtain optimal performance within the system provided. It helps in achieving local as well as long distance transmissions in a wide range of frequency. Besides providing improved performance, they also help in reducing the stress on various electronic components that are being used in the system.An important type of PMIC- Voltage regulator is Linear voltage regulator, BH19PB1WHFV-TR is one such regulator. It is a low drop out (LDO) linear regulator with integrated P-channel MOSFET. It operates at a fixed output voltage of 3.3V, with a maximum output current of 1A. The P-channel MOSFET also helps simplify the board layout and reduce the component count as compared to other linear voltage regulators.The BH19PB1WHFV-TR linear voltage regulator from Qorvo is designed to maintain superior performance characteristics and enhanced safety features with the internal protection such as thermal shutdown, over current protection and under voltage lockout. The output voltage is adjustable using external resistors. The available configurations for the BH19PB1WHFV-TR LDO are: adjustable output, adjustable output fixed on-resistance and fixed 3.3V output. BH19PB1WHFV-TR is suitable for a wide range of applications such as battery-powered equipment, electronic medical instruments, automotive applications and industrial electronics. In a typical application, the input voltage is usually higher than the desired output voltage and the LDO provides a means of reducing the supply and regulating a constant output voltage.The working principle of the BH19PB1WHFV-TR LDO regulator is such that it regulates the output voltage by dissipating the excess voltage in the form of heat. It consists of a pass transistor and a control circuit, which measures the output voltage and compares it to the reference voltage which being produced internally.Once the voltage is regulated, the pass transistor operates in a linear mode, that is, the output current is proportional to the output voltage, allowing exact adjustment of the output voltage by using external resistors. The external resistors also help to reduce the voltage drop across the transistor and maintain the desired output voltage even with variation in input voltage and changes in load.To ensure efficient performance, the LDO requires appropriate heat sink while maintaining noise free operation. The additional features offered by BH19PB1WHFV-TR linear voltage regulator also helps greatly in system design such as low electromagnetic interference and low power losses.Considering its highly stable voltage regulation and high performance, the BH19PB1WHFV-TR LDO is a great choice for your power management circuit.

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