RT9198-33GBR

Voltage Dropout (Max):	0.33V @ 300mA
Supplier Device Package:	SOT-23-5R
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB ~ 30dB (100Hz ~ 10kHz)
Current - Quiescent (Iq):	130µA
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to RT9198-33GBR

RT9198-33GBR is an advanced 3A low dropout linear voltage regulator (LDO), offering excellent load regulation, reverse current protection, low output noise, highly linear current limit, and adjustable output voltage suitable for a wide range of applications. With a high input voltage range from 2.3V to 6V, it is ideal for applications where the supply voltage is higher than the expected output voltage.

Features and Benefits of RT9198-33GBR

RT9198-33GBR provides excellent stability and low noise. Such features make it suitable for usage in a wide range of high-performance applications. Additionally, its Reverse Current Protection (RCP) design offers better protection from reverse-currents, which is essential for many applications, especially those that require very low noise and high stability. Furthermore, the 3A low-dropout regulator is highly linear current limit making it more suitable for high load applications. It also features adjustable output voltage of 2.3V to 6V, making it suitable for a range of applications, such as microcontroller systems, low-current battery powered systems, audio power amplification, and power supplies. Additionally, it offers a wide input voltage range of 2.3V to 6V, which is often important for applications that require a low turn-on voltage. Moreover, there are a variety of protection features such as over-current protection, thermal shutdown, inrush current limiting, reverse current protection, and reverse polarity protection.

Application field and Working principle of RT9198-33GBR

RT9198-33GBR is widely used in a range of applications, such as audio power amplifier systems, industrial power supplies, low current battery powered systems, microcontroller systems, and so on. It is also widely used in the automotive sector, thanks to its excellent load regulation, no-reflow soldering capability and wide input voltage range. The working principle of RT9198-33GBR is based on the basic operation of a linear voltage regulator. When the input voltage is higher than the regulated output voltage, the current drawn from the voltage regulator is diverted to the output. This causes a decrease in the voltage of the voltage regulator and an increase in the voltage of the output. The regulating component in the circuit is designed to sense the output voltage and diverts the current in the opposite direction when the output voltage is lower than the desired setting. This causes a rise in the voltage of the voltage regulator and a fall in the voltage of the output. The output voltage is regulated by an external voltage divider. This divides the input voltage into the desired output voltage. The regulating component senses this output voltage and adjusts the current flow to match the voltage output. This ensures the output voltage is stable and within the desired range.

Conclusion

RT9198-33GBR is an advanced, low-dropout, linear voltage regulator that offers excellent load regulation and low output noise, making it suitable for a wide range of applications. It features adjustable output voltage of 2.3V to 6V, wide input voltage range of 2.3V to 6V, and a variety of protection features such as over-current protection, thermal shutdown, inrush current limiting, reverse current protection, and reverse polarity protection. It is suitable for use in applications such as audio power amplifier systems, industrial power supplies, microcontroller systems, and low current battery powered systems.

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