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PMIC - Voltage Regulators - DC DC Switching Regulators

Introduction to RT6214BHRGJ8F

The RT6214BHRGJ8F is a high efficiency, high current 4A Switching Regulator with Ultra Low Output Voltage. It has excellent efficiency and provides up to 4A of continuous output current. The device has high accuracy output voltage and current limits and is capable of low output voltage range precise voltage regulation. It is suitable for point of load (POL) applications.

Applications

The RT6214BHRGJ8F can be used in a wide range of applications, including:

• Graphic processing units (GPUs)
• Central processing units (CPUs)
• Networking devices
• Memory devices
• Storage devices
• Mobile computing and electronic products

Working Principle

The RT6214BHRGJ8F is an integrated DC-DC switching regulator. It utilizes the principle of pulse-width modulation (PWM) to convert from a high voltage or high current source of power to a lower voltage, higher current source of power. It uses an internal high-frequency switching transistor to convert from a high or low voltage input to a desired output voltage at a specified current. The RT6214BHRGJ8F uses an internal voltage feedback loop to maintain the desired output voltage. The RT6214BHRGJ8F can operate in either continuous or discontinuous conduction mode. In continuous mode, the switching transistor is switched on and off in a regular pattern to maintain the output voltage. In discontinuous mode, the switching transistor is switched on and off only as required to maintain the output voltage.

Features

• Input voltage range: 4.5V to 24V
• Ultra-low output voltage range of 0.8V to 0.95V
• 2.7V to 6V adjustable output voltage
• Cont. Output Current: 4A, Peak Output Current 6A
• High switching frequency up to 1.8MHz
• Current-mode control for fast transient response
• Good EMI performance
• High efficiency up to 94%
• Short protection, Over-temperature protection

Conclusion

The RT6214BHRGJ8F is an integrated high efficiency 4A Switching Regulator with Ultra Low Output Voltage. It has excellent efficiency and provides up to 4A of continuous output current and can be used in a wide range of applications. Its fast transient response capability, high efficiency and good EMI performance make it suitable for high current point of load applications.

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