RT9164A-15GG

Voltage Dropout (Max):	1.4V @ 1A
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	72dB (120Hz)
Current - Quiescent (Iq):	10mA
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

PMIC (Power Management IC) is a very important component for modern electronic systems. It can be used to efficiently and accurately manage the power consumed by the various circuits of the system. Voltage regulators are one type of PMICs which are used to maintain the desired voltage level in a circuit by controlling the input power. Linear voltage regulators, such as the RT9164A-15GG, are the simplest and most common type of voltage regulators used in electronic systems.

Application Field

The RT9164A-15GG is a low-dropout (LDO) linear voltage regulator which can provide desired output voltage up to 15V. This regulator has a maximum quiescent current of 3.2mA and a maximum power dissipation of 500mW. It is a good choice for applications such as digital systems, telecom systems, portable electronics and automotive applications where low voltage and low power are required.The other advantages of the RT9164A-15GG include high accuracy, low ripple noise and good thermal performance. It also has a built-in short circuit protection which ensures that the system is protected from damaging short circuits. The device also has a low input voltage range of 1.25V to 15V which makes it suitable for low voltage input applications.

Working Principle

The working principle of the RT9164A-15GG is fairly simple. An input voltage is applied to the device which is then regulated to the desired output voltage by controlling the amount of current passing through the device. This is accomplished using an internal error amplifier and two pass transistors.The two pass transistors are configured in a series to form a voltage divider circuit which is used to divide the input voltage into two parts: one part passes directly to the output while the other part passes through the error amplifier. The difference between these two voltages is then compared to an internal reference voltage and the error amplifier adjusts the current passing through the transistors to ensure that the output voltage is kept at the desired level.

Conclusion

The RT9164A-15GG is a high performance LDO linear voltage regulator which can provide accurate and reliable output voltage in a wide range of applications. Its low input voltage range and built-in short circuit protection make it an ideal choice for low voltage applications. The device also has a high accuracy, low ripple noise and good thermal performance which make it suitable for most modern electronic systems.

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