RT9030-1KGU5

Voltage Dropout (Max):	0.2V @ 150mA
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	67dB ~ 40dB (1kHz ~ 100kHz)
Current - Quiescent (Iq):	50µA
Current - Output:	150mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.05V
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

The RT9030-1KGU5 is a Linear PMIC (Power Management Integrated Circuit) designed to provide adjustable output voltage and current regulation. It is a versatile low-dropout (LDO) linear regulator that supports a wide range of output voltages up to 1.7V and a maximum output current of 1A. This PMIC is designed to reduce power consumption and improve performance and reliability in a wide range of applications.

Features

The RT9030-1KGU5, developed by Richtek, has a wide range of features that make it an ideal choice for a variety of design requirements. This PMIC is designed to improve power integrity by minimizing noise from the power supply, reduce power consumption, and improve overall system reliability. Some of the features of this PMIC include:• Adjustable Output Voltage (up to 1.7V) and Current (up to 1A)• Internal Thermal Overload Protection• Wide Supply Voltage Range (4.5V-23V)• Low Drop Out Voltage (<0.5V)• Low Quiescent Current (25μA Typical)• Small package size and 5mm x 5mm

Application Field and Working Principle

The RT9030-1KGU5 is an ideal choice for any application that requires an adjustable voltage and current regulation, such as battery powered systems, laptop or mobile devices, automotive systems and communications systems. This PMIC can be used to regulate and provide power to a wide range of components, including LED drivers, microprocessors, memory systems and other sensitive circuits. The RT9030-1KGU5 is based on a linear design, meaning that it regulates the output voltage and current by varying the impedance of a series element. This is accomplished by employing an adjustable resistor, typically a Field Effect Transistor (FET), whose resistance is varied by an internal voltage divider. When the input voltage is greater than the output voltage, the transistor passes current from the input, providing a regulated output voltage. When the input voltage is less than the output voltage, the transistor does not pass current and the output voltage drops to match the input. Beside the linear voltage and current regulation, the RT9030-1KGU5 also employs a wide range of protection features that help improve safety and system reliability. These features include thermal protection, current limit protection, UVLO (Under Voltage Lockout) protection, and others. The current limit protection helps ensure that the output current does not exceed the maximum rated current, while the thermal protection helps prevent damage to the PMIC and other components when it is operated in high temperature environments. The UVLO protection ensures that the output voltage does not drop below a safe level, providing protection to the connected components.

Conclusion

The RT9030-1KGU5 is an ideal choice for any application requiring adjustable output voltage and current regulation. It is designed to reduce power consumption and improve performance and reliability in a wide range of applications. Its linear design provides excellent voltage and current regulation, and its wide range of protection features help ensure safe operation. With its small package size and wide supply voltage range, the RT9030-1KGU5 is an ideal choice for battery powered systems, laptop or mobile devices, automotive systems and communications systems.

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