RT9030A-10GB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	1V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	300mA
Current - Quiescent (Iq):	50µA
PSRR:	67dB ~ 40dB (1kHz ~ 100kHz)
Control Features:	Enable
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction to RT9030A-10GB

The RT9030A-10GB is a low dropout regulator (LDO) from Richtek Technology Corporation that operates with a wide range of input voltages from 1.8V to 5.5V. It is well-suited for use in portable devices, where the limited available space may mean having to use a very small voltage regulator footprint.The RT9030A-10GB is well known for its excellent efficiency, low input-output voltage differential and low noise operation. Moreover, its current limit protection, thermal shutdown protection, and overvoltage protection make it a safe and reliable option for a range of voltage regulating applications.

Applications of RT9030A-10GB

The RT9030A-10GB is typically used in portable applications where low dropout efficiency is critical. It can be used in applications such as dual SIM card support smartphones. It can also be used in single-cell Li-ion battery applications to regulate the supply voltage to the system\'s various components. It can also be used in LED light applications, to regulate the LED current for optimal LED performance and longer lifespan. The RT9030A-10GB is suitable for a wide range of system voltages, such as 1.8V, 2.5V, 3V, 3.3V, 4V, and 5V. The compact solution of this low dropout regulator makes it well-suited for applications with limited board space.

Working Principle of RT9030A-10GB

The RT9030A-10GB is an LDO voltage regulator that outputs a precise, regulated voltage to the system. The input supply voltage has to be higher than the output voltage by a small dropout voltage. The RT9030A-10GB has an internal linear control loop that maintains the output voltage at the desired level. The device is capable of providing a maximum output current of up to 10A.The output voltage is feedback-controlled by an internal error amplifier that amplifies the difference between the output and reference voltage into a control current. This control current then drives an NMOS pass element which adjusts the output voltage. Furthermore, the RT9030A-10GB also has an external compensation network which allows the user to adjust the current limit and stability.

Conclusion

The RT9030A-10GB from Richtek Technology Corporation is an excellent low dropout regulator that is designed for a range of voltage regulating applications. It is well-suited for, but not limited to, portable devices, dual SIM card smartphones, single-cell Li-ion battery applications, and LED light applications. Its low input-output voltage differential, excellent efficiency and low noise operation, along with its overvoltage, currentlimit and thermal shutdown protections, make it a reliable and safe option for voltage regulation.

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