BH33FB1WG-TR Integrated Circuits (ICs)

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PMIC - Voltage Regulators - LinearThe BH33FB1WG-TR is linear voltage regulator IC designed for providing bias voltages for audio amplifier circuits, cameras and the like. This low drop out (LDO) regulator has an in-built power transistor and its maximum output voltage of 5.5 V is fixed with a voltage tolerance of ±1.5%.The device has short-circuit protection and over-voltage protection. It has a typical quiescent current of 1.1mA and the maximum quiescent current of 1.7mA. The operating temperature range of the device is -40°C to 100°C and the output current is in the range of -2mA to 3mA.BH33FB1WG-TR comes in a ceramic package with 10 pins. The typical absolute dropout voltage at 300mA is 0.5 V. It has lots of features such as low temperature coefficient, low noise and low quiescent current. The minimum inrush current of the device is 18A.Working Principle:The BH33FB1WG-TR is a linear voltage regulator used for providing bias voltages for applications like audio amplifiers and cameras. The device contains an in-built P-channel power transistor and a voltage trimming circuit. The output voltage is stable and can be adjusted in the range of 0.3V to 5.5V.The BH33FB1WG-TR uses a control loop to maintain a stable output voltage despite system load variations or changes in input voltage. A sensing or feedback signal is taken from the output of the voltage regulator. This signal is compared to an internal reference voltage and is used to adjust the gate voltage of the power transistor, thus controlling the output voltage.The BH33FB1WG-TR also features over voltage and short circuit protection as well as thermal and over current protection. The device features low noise and low quiescent current. It is ideal for use in battery-operated applications.Conclusion:The BH33FB1WG-TR linear voltage regulator IC is designed for a wide range of applications such as audio amplifiers, cameras and many more. Its high accuracy output voltage, low noise and low quiescent current makes it ideal for many portable and battery-operated applications. The device features over voltage, over current and short circuit protection, making it a reliable and safe voltage regulator.

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