BD4271HFP-CTR Integrated Circuits (ICs)

BD4271HFP-CTR Application Field and Working Principle

BD4271HFP-CTR is a voltage regulator designed by ROHM Semiconductor, part of the popular PMIC - Voltage regulators - Linear series, providing a cost-effective solution to voltage regulation in a variety of electronic devices. It consists mainly of a voltage reference circuit and two driver transistors. It is used widely as an internal power supply for computers and laptops.

Features of BD4271HFP-CTR

BD4271HFP-CTR is a low dropout (LDO) voltage regulator, which has a low power consumption and is highly efficient. Moreover, it can regulate an input voltage up to 15V and provides an output voltage from 0.5V to 3V. It is also designed to avoid fusing in case of over-current or over-voltage. Additionally, it has a low output noise and good temperature stability. Also, it does so without sacrificing its high-temperature stability.

Typical Application Field

The BD4271HFP-CTR is most suitable for use in Computers, Laptops and other electronic devices that require a stable voltage. For example, in computers and laptops, it is commonly used to regulate the power supply for the microprocessor and other components, ensuring adequate power supply in order to ensure a stable operation. In other electronic devices, it is used to ensure that the voltage remains constant in order to prevent damage to the components.

Working Principle

The BD4271HFP-CTR consists of a voltage reference circuit and two driver transistors. The voltage reference circuit works by providing a precise voltage to the driver transistors, which in turn regulate the output voltage. The reference voltage is generated using a Zener diode and a resistor, with the Zener diode acting as a reference that ensures the output voltage remains within the designated range, while the resistor controls the current flowing through the circuit. The two driver transistors then act as switch to regulate the output voltage. The overall design of the BD4271HFP-CTR ensures high efficiency and low power consumption, while still providing a stable output voltage.

Conclusion

The BD4271HFP-CTR is a voltage regulator part of the PMIC - Voltage regulators - Linear series. It has a low power consumption and is highly efficient, and it is suitable for use in computers, laptops and other electronic devices. It uses a reference voltage generated by a Zener diode and a resistor, and two driver transistors to regulate the output voltage. This allows the BD4271HFP-CTR to provide a stable output voltage, while still maintaining high efficiency and low power consumption.