RT9022GE

Voltage Dropout (Max):	0.3V @ 30mA
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Soft Start
PSRR:	65dB ~ 55dB (120Hz ~ 10kHz)
Current - Quiescent (Iq):	80µA
Current - Output:	60mA
Series:	--
Voltage - Output (Max):	19.7V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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<h2>RT9022GE Application Field and Working Principle</h2><h3>Introduction </h3>The RT9022GE is a single-cell battery-powered low-dropout linear regulator. Its features make it the perfect solution for embedded systems that require ultra-small power solution. This device also has an impressive 600mA output current capability allowing it to support a wide range of applications.<h3>Application Field</h3>The RT9022GE is a perfect candidate for applications like automotive, handheld, wearable, healthcare, and other compact applications in the Internet of Things (IoT) system. It is capable of providing stable power supply to the Embedded Processing System (EPS) and is suitable for System on Chip (SoC) and other peripheral components. The RT9022GE can provide precise power supply to the NoVolt/LowVoltage logic components, as well as improving system reliability. With its 600mA output current capability, it can support high power-intensive peripherals such as touch panel and LCD module.Other applications of the RT9022GE include power management for multi-cell systems and power management in a variety of portable devices. The High-PSRR/Low-Dropout (LDO) regulator also supports dynamic power saving mechanism with its Soft On/Off Control, making it an ideal device for energy-saving control.<h3>Working Principle</h3>The RT9022GE is based on a linear regulator design that employs a PNP transistor and a pass-gate for the power adjustment of the regulator. In the output stage, the PNP transistor acts as a negative feedback switch that is placed in parallel with the pass-gate. It also utilizes a soft-start feature, which prevents large surge current from occurring at startup and supplies a stable voltage output. The RT9022GE applies a low-noise, low quiescent current operating principle that features low drop-out voltage, fast load transient response, current limit, and temperature protection to provide a safe and stable operation in a wide range of environments. Additionally, the RT9022GE includes a power good output signal that allows the system to monitor the status of the output voltage. The bi-direction digital feedback phase reset pin helps to adjust the phase accuracy of the output voltage.<h3>Conclusion</h3>The RT9022GE is a single-cell battery-powered low-dropout linear regulator with a 600mA output current capability and a wide range of applications. This device offers many advantages like precise power supply to NoVolt/LowVoltage logic components, dynamic power saving mechanism with its Soft On/Off Control, low-noise, low quiescent current operating principle, and power good output signal. Its features make the RT9022GE an ideal device for embedded systems, automotive and portable device applications.

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