RT8004GCP

Voltage - Input (Max):	5.5V
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 4MHz
Current - Output:	3A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	2.65V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RT8004GCP Application Field and Working Principle

RT8004GCP is a high-performance DC-DC buck switching regulator controller that belongs to the range of PMIC Voltage Regulators DC DC Switching Regulators. It is designed to deliver high efficiency and low noise across a wide voltage range with cycle-by-cycle current limiting and frequency foldback features. RT8004GCP converts an input voltage of 6V to 30V to provide an adjustable output voltage of 0.9V to 5V with a maximum of 3A.The RT8004GCP is ideal for applications such as providing higher efficiency power supplies for portable devices and embedded systems. Further, the minimum system solution can be implemented utilizing minimal external components, such as MOSFET, inductor, and capacitor, and it can also provide additional features, such as thermal shutdown protection, over current protection, and under voltage protection.

Overview of RT8004GCP

RT8004GCP is a high performance buck switching regulator controller that is capable of providing a wide input voltage range from 6V to 30V and an adjustable output voltage from 0.9V to 5V. It also offers high accuracy with ±2% output voltage regulation and ±1% DCR ADC accuracy. Moreover, the RT8004GCP has high efficiency ratings up to 96% and it also has an integral 0.5A sinking common FET for higher efficiency applications.The RT8004GCP includes a comprehensive range of protection features and functions, such as over voltage protection, under voltage protection, short-circuit protection, thermal shutdown, and active frequency modulation. Furthermore, it has a special saw tooth regulation function that allows the converter to operate at a lower frequency above a preset light load current and at a higher frequency below a preset full (90%) load current. This function helps to optimize the system performance with low noise and high efficiency.

Working Principle of RT8004GCP

The working principle of RT8004GCP is based on a standard buck converter topology, wherein the input voltage is stepped down to the desired output voltage by a switching structure. The switching structure consists of a MOSFET switch, which is driven by an internal oscillator circuit. The RT8004GCP uses a proprietary architecture called Programmable Proportional On Time (PPT) that can dynamically adapt to the changing load conditions in order to maximize the efficiency of the converter.When the MOSFET switch is turned on, current is delivered to the output and stored in the inductor. The output voltage is regulated by controlling the on time of the switch at different load conditions. A feed forward feature is used to maintain output voltage regulation, where the input voltage and load current are monitored for an accurate output voltage control.

Conclusion

The RT8004GCP is a high performance DC-DC buck switching regulator controller that belongs to the range of PMIC Voltage Regulators DC DC Switching Regulators, which offers a wide input voltage range from 6V to 30V and an adjustable output voltage range from 0.9V to 5V. It also includes various protection features and functions for reliable operation, such as over voltage protection, under voltage protection, short-circuit protection, thermal shutdown, and active frequency modulation. The RT8004GCP has high efficiency ratings up to 96%, with a proprietary architecture called Programmable Proportional On Time (PPT) that provides maximum efficiency at different load conditions.

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