RT9011-GKGQWC

Voltage Dropout (Max):	0.33V @ 300mA, 0.33V @ 300mA
Supplier Device Package:	6-WDFN (1.6x1.6)
Package / Case:	6-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	70dB ~ 38dB (100Hz ~ 300kHz)
Current - Quiescent (Iq):	80µA
Current - Output:	300mA, 300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 2.6V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RT9011-GKGQWC Application Field and Working Principle

Introduction:

The RT9011-GKGQWC, also known as an internal Low Dropout voltage regulator, is a PMIC (Power Management Integrated Circuit) with a wide range of uses in all sorts of electrical systems. It falls into the category of linear regulators, a type of voltage regulator which works by adjusting an output voltage by diminishing the difference between the input voltage and the output voltage. As linear regulators are often used in battery-powered applications, they offer excellent efficiency.

Functional Description

The RT9011-GKGQWC is a linear voltage regulator manufactured by Richtek Technology, a company that specializes in making efficient, cost-effective integrated solutions. It is designed for use with two-cell Li-ion / Li-polymer batteries, offering precise output voltage and current regulation in a wide range of conditions. The RT9011-GKGQWC is also capable of providing a low quiescent current, which helps minimize battery drain and reduces power consumption. It also features an adjustable buck converter, which can be used to decrease the output voltage to an appropriate level as needed.

Application Fields:

The RT9011-GKGQWC is well-suited for any application which requires precise voltage regulation for two-cell lithium batteries. It is therefore useful for portable electronic devices, such as smartphones and tablets, as well as laptop computers and embedded systems. It can also be used in high-reliability automotive applications, since its advanced low-voltage protection mechanisms keep the system safe from damage.

Features:

The RT9011-GKGQWC has several notable features which make it a good choice for a variety of applications. Its low-dropout voltage allows it to regulate the output voltage even when the input voltage is very close to the output voltage, ensuring the most efficient power conversion. Its adjustable buck converter allows it to further optimize power efficiency, as the output voltage can be set to an appropriate level for whatever application it is being used in. It also has short-circuit protection and over-current protection, which helps to ensure safe operation and protect the system from damage.

Usage:

The RT9011-GKGQWC is a simple-to-use voltage regulator designed for use in a variety of two-cell lithium battery applications. It can be used in an embedded system, such as an automotive system, or in a portable device, such as a smartphone or laptop. To use it, simply connect the input voltage to the Vin pin, the output voltage to the Vout pin, and ground to the GND pin. The adjustable buck converter can be used to further adjust the output voltage, if needed. Once everything is connected, the RT9011-GKGQWC will begin regulating the output voltage, offering improved power efficiency and protection from damage.

Working Principle:

The RT9011-GKGQWC is a linear voltage regulator, meaning it works by “linearizing” the input voltage to ensure it matches the output voltage. It does this by using a linear control circuit to regulate the difference between the input and output voltages. This is done by forcing a current through an internal resistor, creating a voltage drop that reduces the difference between the input and output voltages. This voltage drop is then used to regulate the output voltage. In this way, the linear regulator ensures that the output voltage remains constant even if the input voltage fluctuates.

Conclusion:

The RT9011-GKGQWC is an excellent linear voltage regulator from Richtek Technology, suitable for a wide range of applications including automotive, smartphones, tablets, and laptops. It offers low-dropout voltage, adjustable buck converter, over-current protection, and short-circuit protection in order to maximize performance and safety. It is easy to use and very efficient, making it a good choice for precision voltage regulation for two-cell lithium batteries.

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