RT9011-ESGQWC

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):	2.1V, 3.3V
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-ESGQWC is a linear voltage regulator from Richtek, providing an easy to use and cost-effective solution for power management in a range of applications. Linear regulators are considered one of the simplest and most economical solutions for regulating the output voltage in low power, space-constrained applications. Richtek\'s RT9011-ESGQWC, in particular, is optimized for efficient operation, low power and cost, making it an ideal choice for nearly any industrial application.

Application Field

The RT9011-ESGQWC is ideal for applications requiring low output noise and power efficiency, such as motor control, medical, automotive and industrial systems. The regulator provides a stable output voltage over a wide input voltage range, enabling reliable operation in harsh environments. By managing both input voltage and current, the RT9011-ESGQWC allows sensitive electronic components to function at optimal performance levels in a variety of conditions.

Features

The RT9011-ESGQWC offers a host of features for power regulation. Its adjustable output voltage can range from 2.5 to 7.5V, and its protection features include over-current protection (OCP), thermal shutdown (TSD) and short-circuit protection (SCP). Its low stand-by current draw (50 mA typical) and high power efficiency (up to 95%) make it ideal for both portable and stationary applications. Additionally, it utilizes a low-ESR capacitor to provide frequency compensation, eliminating the need for external compensation components.

Design Flexibility

The RT9011-ESGQWC is designed to be highly configurable, allowing for a wide range of design possibilities. Its four Bypass pins enable the user to easily modify the output voltage and power efficiency, enabling the regulator to meet the specific needs of the application. Additionally, the regulator can be configured as a buck or boost circuit by simply connecting the Bypass pins in the correct configuration. This flexibility makes the RT9011-ESGQWC an ideal choice for designers looking for high design flexibility and an easily adjustable power supply.

Working Principle

The RT9011-ESGQWC is based on a linear voltage regulator design, which uses a series of transistors to reduce the input voltage to the desired output voltage. The voltage regulator employs a negative feedback loop to regulate the output voltage. This feedback loop detects the output voltage and adjusts the internal transistors\' current drive in order to maintain a constant output voltage.The components of the linear voltage regulator include an input voltage source, a pair of transistors and resistors, an output voltage divider, an error amplifier, and a power switch. The input voltage source is connected to a pair of transistors and resistors. The transistors act as current amplifiers and are used to control the output voltage. The output voltage divider is used to sense the output voltage, and the error amplifier compares the output voltage with a reference voltage to determine the necessary adjustments. Finally, the power switch is used to control the transistors and adjust the output voltage.

Conclusion

The RT9011-ESGQWC is an ideal choice for applications requiring low output noise, power efficiency and design flexibility. Its adjustable output voltage, protection features and low stand-by current make it a great solution for motor control, medical, automotive and industrial systems. Its linear voltage regulator design ensures reliable operation over a wide range of input voltages and conditions. By providing adjustable output voltage, protection features and a high level of design flexibility, the RT9011-ESGQWC offers an easy to use and cost-effective solution for power regulation.

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