BH28FB1WG-TR Integrated Circuits (ICs)

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The BH28FB1WG-TR is an adjustable voltage regulator manufactured by ROHM Semiconductor. It is a linear voltage regulator, part of ROHM\'s PMIC (Power Management IC) family of products. This component provides a reliable and cost-effective solution for voltage regulation applications.

The BH28FB1WG-TR is capable of delivering up to 500mA of output current and provides an adjustable output voltage range from 0.8V to 18V. It is equipped with both a voltage feedback pin (FB pin) and an enable pin (EN pin). The FB pin allows the user to adjust the output voltage to meet the requirements of the system. The EN pin allows users to turn the device on and off for energy efficient operation. Both pins have current limit, over-voltage protection, and over-temperature protection features to ensure reliable operating conditions. The device also includes reverse current protection and UVLO (Under Voltage Lock Out), ensuring the device will not start up under low voltage conditions.

The BH28FB1WG-TR is designed for a wide range of applications, from consumer electronics and automotive to industrial and medical. It is ideal for applications that require tight voltage regulation and low ripple. It can be used to provide a stable voltage source for microcontrollers and system processors, in addition to supplying power for peripherals, giving the processor stable operating conditions. It is also suitable for applications such as LED lighting, where a constant level of brightness is needed for long-term energy efficiency, and for motor control, where a stable voltage ensures the correct motor speed.

The BH28FB1WG-TR linear voltage regulator works on the principle of an operational amplifier and voltage reference. The device contains both a negative and positive input, the output of which is connected to the feedback pin. A reference voltage is fed to the negative input, while the positive input is connected to the output voltage pin. The voltage reference is then compared to the output voltage and if they are different, the operational amplifier amplifies the difference to adjust the output voltage. This is why it is called a voltage feedback pin (FB pin) as it controls the output voltage.

The BH28FB1WG-TR provides a reliable and cost-effective solution for voltage regulation applications. It is capable of delivering up to 500mA of output current and provides an adjustable output voltage range from 0.8V to 18V. It is designed for a wide range of applications, from consumer electronics and automotive to industrial and medical, and implements features such as voltage feedback pin and an enable pin, current limit, over-voltage protection, and over-temperature protection to ensure reliable operating conditions. The device works on the principle of an operational amplifier and voltage reference to adjust the output voltage in response to changes in the system\'s voltage requirements.

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