RT8271GFP

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RT8271GFP Application Field and Working Principle of DC DC Switching Regulator

RT8271GFP is a DC DC switching regulator that resonates on the output to reduce the conduction losses. This type of regulator is designed for low voltage applications such as buck or boost converter for small equipment, industrial or automotive applications. It features a low-noise, highly efficient system design and provides a high switching frequency for high current output applications.

Features of RT8271GFP DC DC Switching Regulator

• 40V single-channel step-down converter
• High efficiency up to 90%
• 1A maximum output current
• Wide input voltage range of 3V to 42V
• Accurate switching frequency
• Wide range of feedback voltage selections covering up to 96% duty cycle
• Programmable under voltage lockout threshold (UVLO) and over current protection
• Stable output voltage displacement
• High switching frequency (up to 1MHz)
• Current mode control circuit design

Applications of RT8271GFP DC DC Switching Regulator

RT8271GFP is a great choice for applications that require low voltage operation, such as distributed power systems or industrial/automotive power conversion. The RT8271GFP is ideal for applications that require high efficiency and high current output, such as automotive powertrain, infotainment systems and video display systems. The RT8271GFP is also suitable for use in battery-powered applications, such as medical devices, mobile phones and tablets.

Working Principle of RT8271GFP DC DC Switching Regulator

The RT8271GFP utilizes an innovative buck-boost architecture, which resonates on the output and reduces the losses associated with conduction. The RT8271GFP is a current mode control switch mode voltage regulator, which operates by rapidly switching the output voltage through a MOSFET. The RT8271GFP monitors the output voltage and adjusts the duty cycle of the MOSFET switch in order to regulate the output. The MOSFET switch is driven off a high-frequency switching clock and the output voltage is regulated by varying the duty cycle. By using a high-frequency switching clock, the RT8271GFP is able to provide fast line and load transient response.

The RT8271GFP also features a wide selection of different feedback voltage selections covering up to 96% duty cycle and can be programmed for additional over current and under voltage protection. This allows the RT8271GFP to operate in a wide range of environments and provides reliable protection from a variety of external factors.

Conclusion

The RT8271GFP is a high-efficiency dc-dc switching regulator that resonates on the output to reduce conduction losses. Its low voltage operation, high switching frequency, and wide range of feedback voltage selections make it ideal for applications that require high efficiency and current output. Additionally, its programmable under voltage lockout threshold (UVLO) and over current protection provide reliable protection in a variety of different environments.

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