RT9013-28GB

Voltage Dropout (Max):	0.4V @ 500mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	50dB (10kHz)
Current - Quiescent (Iq):	50µA
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
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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Background of RT9013-28GB

The RT9013-28GB is a dual-channel linear voltage regulator, a member of the RT9013 family of low dropout (LDO) regulators. It is a new generation of the well-established RT9013 series, focusing on providing dc/dc power conversions with accuracy, stability and ease of use. The RT9013-28GB is designed to meet the needs of applications requiring low output voltages and low noise operation.

Features and Benefits

The RT9013-28GB offers a wide range of features and benefits. It features a low dropout voltage of 0.22V, a wide input voltage range of 3.0V to 36V, an adjustable output voltage range of 0.8V to 25V and an output current of up to 1.5A. The RT9013-28GB is designed to be a reliable and robust solution for a wide variety of power supply applications. The device incorporates both thermal protection and current limit to protect itself against damage. It also features a low quiescent current of 5uA, low ESR, low output noise and low power consumption. Furthermore, the device also provides excellent output voltage accuracy, voltage tracking and transient response performance.

Application of RT9013-28GB

The RT9013-28GB is an ideal solution for a wide variety of power supply applications, including consumer electronics, industrial instrumentation, automotive, and medical electronics. It can be used to provide power to a variety of components, such as microcontrollers, DSPs, DC motors, relays, power ICs, and LEDs. It is also suitable for battery charging applications, such as portable consumer electronics. The RT9013-28GB\'s high power output and excellent noise immunity enable it to be used in highly-demanding applications.

Working Principle

The RT9013-28GB incorporates a wide range of features that enable it to operate as a low dropout regulator. The device works by converting a higher voltage input into a lower output voltage. A simplified schematic representation of the inner workings of the RT9013-28GB is shown below.At the heart of the device is an error amplifier, which has a feedback mechanism to regulate the output voltage. The output voltage is set by the potentiometer, which is connected to the feedback of the error amplifier. The voltage output is regulated by adjusting the current passing through the feedback transistor. The voltage reference is a temperature stable linear voltage reference, which is used to set the output voltage.The device also has built-in current limiting and thermal protection features, which protect the device from being damaged. The device will shut down in the event of over-current or over-temperature situations.

Conclusion

The RT9013-28GB is a dual-channel linear voltage regulator, a member of the RT9013 family of low dropout (LDO) regulators. It features a low dropout voltage of 0.22V, a wide input voltage range of 3.0V to 36V, an adjustable output voltage range of 0.8V to 25V, an output current of up to 1.5A, low quiescent current of 5uA, low ESR, low output noise and low power consumption. The RT9013-28GB is suitable for use in a wide variety of power supply applications, including consumer electronics, industrial instrumentation, automotive, and medical electronics. It is also suitable for battery charging applications. The RT9013-28GB uses an error amplifier with feedback to set the output voltage, and also has built-in current limiting and thermal protection features.

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