RT9011-GMGQWC

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, 2.8V
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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Introduction

The RT9011-GMGQWC is a power management integrated circuit (PMIC) consisting of a linear voltage regulator. It is a high-accuracy low-dropout (LDO) regulator with a wide input voltage range and low output voltage noise. It is a member of Richtek’s LDO family of products.The RT9011-GMGQWC offers superior performance in applications such as battery powered systems, portable products, personal care devices, and automotive systems. It features low operating current, low power consumption, and excellent line transients response. It is specifically designed forsustain the supply current of low-power applications including analog, digital, and RF.

Applications

The RT9011-GMGQWC is an ideal solution for a range of portable equipment, includingadapters, AC/DC plug packs, flashlights, internet of things (IoT) applications, and automotive electronics.Its wide input voltage range can cover the most common power supplies.The RT9011-GMGQWC is also suitable for laptop and tablet PCs, video recorders, Blu-ray players, electronic toothbrush, e-reader and other digital devices. Additionally, it is used in automotive applications such as digital radios and audio systems.The RT9011-GMGQWC is a high-accuracy linear regulator with a maximum dropout voltage of 200mV at 250mA load current, which ensures a stable system supply with low noise. It is suitable for digital and analog components that require ultra-low current consumption for long battery life.

Features

The RT9011-GMGQWC has several features that make it a viable choice for power management applications:•Ultra-low dropout voltage – 200mV at 250mA load current to ensure a stable system supply.•Wide input voltage range – operates from 2.5V to 10V.•Low operating current – Only 50uA (typical) to ensure low power consumption. •Excellent line transients response- fast settling time and soft-start mode.•Output voltage accuracy – ±1.5% accuracy and ±3% line regulation.•ESD protection – up to 4.5KV.•Current limit foldback - limit excess current draw and reduce power dissipation during short circuit conditions.

Working Principle

The RT9011-GMGQWC is a low dropout voltage regulator designed with a band-gap reference in a, SO-8 package.The device is designed to regulate the output voltage from the minimum dropout across its wide input voltage range of 2.5V to 10V. The output voltage is regulated by drawing only the required current from the input voltage source by the RT9011-GMGQWC\'s internal feedback circuit.The regulator operates with high efficiency, providing a typical standby current of only 50uA. The output voltage is accurately regulated to within ±1.5% accuracy and ±3% line regulation over temperature and load transients. The foldback current limit feature prevents excessive power dissipation while protecting against over-current conditions.The RT9011-GMGQWC also features ultra-low output voltage noise and a fast transient response to change in load conditions, which makes it ideal for powering small loads in a low-noise environment.

Conclusion

The RT9011-GMGQWC is a highly efficient and low-dropout linear voltage regulator suitable for a variety of power management applications. It offers excellent accuracy and line regulation, ultra-low operating current, and excellent line transients response. It is ideal for battery-powered devices and portable electronics, as well as automotive electronics. The device is designed to provide reliable, stable power to low-power applications requiring low noise and excellent line transients response.

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