RT5711BHGQW

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RT5711BHGQW is a PMIC(Power ManagementIC) designed for voltage regulators, specifically a DC DC switching regulator. It is produced by Richtek Technology Corporation and is used for a variety applications. The device has a wide input voltage range (4.5V~36V) and provides integration features with features such as internal power switches, a power-OK flag, overcurrent protection, and thermal shutdown protection.

Overview

RT5711BHGQW is a DC-DC switching regulator that supports an input voltage range of 4.5V ~ 36V and an output voltage range of 3.3V ~ 26V. It is designed to provide precise and low noise regulation, featuring an internal power switch, fault protection, and an adjustable current limit. It also has dedicated power on and fault pins to notify the user when an error has occurred.

Features

• Input voltage range: 4.5V ~ 36V
• Output voltage range: 3.3V ~ 26V
• Low output noise and ripple voltage
• Integrated power switch, power-OK flag, overcurrent protection and thermal shutdown protection.
• Dedicated fault and power on pins
• Integrated low ESR output capacitors

Applications

RT5711BHGQW is ideal for use in a variety of applications, including:

• Automotive infotainment
• Telecom power systems
• Industrial and medical equipment
• Consumer electronics
• Battery-powered equipment.

Working Principle

The RT5711BHGQW is a non-synchronous buck regulator, meaning that it operates at a fixed switching frequency, determined by the external components. It works to convert the input voltage to a lower voltage, which is determined by the external resistor divider. The power switch is used to control the voltage output, while the MOSFETs are used to dissipate the power. The power-OK flag is used to signal if the output voltage has reached the desired level, while the overcurrent protection circuit prevents excessive current in the external components. Finally, the thermal shutdown protection feature shuts down the device if the temperature reaches a critical level, to prevent damage to the device.

Conclusion

The RT5711BHGQW is a versatile and well-designed device, suitable for a wide range of applications. It offers integrated features such as fault protection and an adjustable overtemperature protection. The device is designed to offer precise and low-noise regulation, ensuring a reliable and stable power source.

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