RT8008-33GB

Voltage - Input (Max):	5.5V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.5MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Series:	--
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RT8008-33GB Application Field and Working Principle

RT8008-33GB is a DC-DC switching regulator suitable for a variety of high current and high voltage applications. RT8008-33GB is a digital controller IC with built-in safety and protection features, making it perfect for small form-factor and portable devices.

Application Fields

RT8008-33GB is perfect for small form-factor and portable devices. Its small size, integrated features and wide range of operating input voltage (VIN) and output voltage (VOUT) make it the ideal choice for application in these fields.It is a perfect fit for industrial and medical applications where space is at a premium. The IC also works well in industrial applications where both high current and high voltages need to be supplied, such as power convertors or power supplies. Furthermore, the IC can provide accurate and stable voltage for applications such as embedded systems, video surveillance systems, and power back-up systems.

Working Principle

RT8008-33GB is a current-mode phase-shift DC-DC switching regulator. It uses an integrated N-Channel MOSFET as its main switch, allowing for fast and accurate control of voltage output. The IC also includes a secondary controller to synchronize the switching of the internal MOSFET.Once the input voltage is supplied, the internal MOSFET will switch with a frequency that is proportional to the voltage. As the voltage increases, the frequency will also increase. The IC then regulates the output voltage by changing the duty cycle of the MOSFET, ensuring a stable and accurate voltage output.As the duty cycle is changed, the IC will also adjust the frequency of the MOSFET, ensuring that the voltage remains stable even in high-current loads.The integrated protection circuit ensures that the IC is safeguarded from over-voltage, over-temperature and over-current, making it a reliable and safe solution for high-current applications.

Conclusion

RT8008-33GB is a small form-factor, cost-effective, and reliable current-mode phase-shift DC-DC switching regulator. Its integrated features and efficient design make it the ideal solution for applications such as embedded systems, video surveillance systems, and power back-up systems. It is also ideal for industrial and medical applications where space is at a premium.

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