XC6223B2519R-G Integrated Circuits (ICs)

Current - Output:	300mA
Base Part Number:	XC6223
Supplier Device Package:	4-USPQ-B03 (1x1)
Package / Case:	4-XDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	80dB (1kHz)
Current - Quiescent (Iq):	220µA
Series:	--
Voltage Dropout (Max):	0.35V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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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IntroductionXC6223B2519R-G is an integrated linear voltage regulator designed for a wide range of applications. It is part of the XC6223 family, a group of current-mode linear voltage regulators which are widely used for point of load (POL) voltage regulation for many industrial and automotive applications. XC6223B2519R-G is designed to deliver a current sourcing output voltage with accuracy of +/-1% and output voltage range from 1.8V to 28V. It has a wide operating range from -40°C up to 125°C, and its output current can go up to 2.4A. Moreover, it features an integrated thermal shutdown circuit which protects the device against thermal overload.FeaturesXC6223B2519R-G has excellent features that make it suitable for a wide range of applications. These features include:• 2.4A Output Current with +/-1% Accuracy: XC6223B2519R-G is capable of delivering up to 2.4A output current with a +/-1% accuracy. This makes it suitable for a wide range of applications that require precision voltage regulation. • -40°C to 125°C Operating Range: With an operating temperature range from -40°C to 125°C, XC6223B2519R-G can be used in even the most extreme environments.• Thermal Shutdown Circuit: XC6223B2519R-G is equipped with an integrated thermal shutdown circuit, which helps to protect the device against thermal overload.• 1000nA Low Dropout Current: With a low dropout current of less than 1000nA, the XC6223B2519R-G is capable of delivering stable output voltage even when the supply voltage is only a few hundred mV above the output voltage.• Wide Supply Voltage Range: The XC6223B2519R-G can work with a wide supply voltage range from 1.8V to 28V, making it suitable for a variety of applications.• Small Footprint: XC6223B2519R-G is available in a small package size of 7mm x 5mm, which allows for easy integration into applications with limited space.ApplicationsXC6223B2519R-G is a very versatile voltage regulator and is suitable for a variety of applications. Some of these applications include:• Point of Load (POL) Voltage Regulation: XC6223B2519R-G can be used for point of load (POL) voltage regulation. Its low dropout current ensures a stable output voltage even with a low supply voltage, making it ideal for use in space-constrained boards.• Automotive: XC6223B2519R-G is well-suited for automotive applications thanks to its high accuracy and wide operating temperature range. • Industrial: Its wide operating temperature range from -40°C to 125°C, its high output current, and its thermal shutdown technology make it suitable for a variety of industrial applications.• Telecommunications: XC6223B2519R-G is ideal for telecommunication applications due to its high accuracy, low dropout current, and wide supply voltage range.Working PrincipleThe XC6223B2519R-G is a current-mode linear voltage regulator, which means that the output voltage is regulated by controlling the current flowing through the device. The internal circuit of the voltage regulator can be divided into 3 distinct functional blocks: the error amplifier, the power transistor, and the control logic.The error amplifier circuit compares the voltage across the power transistor to a reference voltage and amplifies the difference between them. The amplified signal is then used to control the power transistor, which is connected between the input and output nodes. This transistor acts as a switch, allowing or blocking the flow of current. The control logic, consisting of temperature and over-current sensors, is responsible for protecting the device against thermal or overload conditions. The output voltage of the device is determined by the current through the power transistor, and the reference voltage can be adjusted with external resistors. When the load current increases, the feedback signal is sensed and the power transistor is turned on more. This allows more current to flow, resulting in a higher output voltage.ConclusionThe XC6223B2519R-G is a current-mode linear voltage regulator designed for a wide range of applications. It has excellent features such as a high output current of 2.4A and a low dropout current of below 1000nA, as well as a wide operating temperature range of -40°C to 125°C. XC6223B2519R-G is suitable for automotive, industrial, and telecommunication applications, where accurate voltage regulation and protection against thermal and overload conditions is required.

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