RT9013-33GU5

Voltage Dropout (Max):	0.4V @ 500mA
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:	50dB (10kHz)
Current - Quiescent (Iq):	50µA
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
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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RT9013-33GU5 Application Field and Working Principle

Introduction

The RT9013-33GU5 is a linear voltage regulator (LVR) made by Richtek Technology Corporation. It is a high-efficiency, low dropout (LDO) regulator that provides precise output voltage, both in step-down and voltage switching modes. This regulator provides up to 3.3V at a maximum output current of 3A. It is used in portable electronics, computer peripherals and automotive applications.The features of RT9013-33GU5 include its ultra-low ground current, high power supply rejection ratio (PSRR), fast rise time and low dropout voltage. This makes it suitable for a variety of applications. In addition, it has an adjustable output voltage from 0.6V to 1.8V and a typical quiescent current of 4µA.

Application Field

The RT9013-33GU5 is used in a variety of applications. It is used for the power supply of portable electronics, computer peripherals, automotive applications, and industrial systems.In portable electronics, the RT9013-33GU5 is used as a component of the power management circuits to regulate and stabilize the voltage supply to the device. It helps to ensure that the voltage supplied to the device is regulated, consistent, and safe.For computer peripherals, the RT9013-33GU5 is used in the power supply circuits to provide a stable, regulated power to the device, helping to improve its performance and reliability.In automotive applications, the RT9013-33GU5 is used for voltage regulation in cooling systems, interior lighting systems, and other automotive applications.

Working Principle

The RT9013-33GU5 is a linear voltage regulator (LVR) or low dropout (LDO) regulator. It works by taking the input voltage, regulating it and producing the output voltage.The input voltage is fed into the regulator, where a reference voltage is generated. The reference voltage is compared to the output voltage. The difference between the two is the error voltage. The error voltage is used to control a transistor, which in turn controls the output voltage.The output voltage is also affected by the output current. When the output current increases, the output voltage drops. To compensate for this, the RT9013-33GU5 uses a current-sensing feedback loop, which senses the output current and adjusts the output voltage, thus keeping it at the desired level.

Conclusion

The RT9013-33GU5 is a linear voltage regulator (LVR) or low dropout (LDO) regulator used in a variety of applications. It is capable of outputting up to 3.3V at a maximum output current of 3A. It has an adjustable output voltage from 0.6V to 1.8V and a typical quiescent current of 4µA. The RT9013-33GU5 works by taking the input voltage, regulating it and producing the output voltage. It is used in portable electronics, computer peripherals, automotive applications, and industrial systems.

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