RT9011-BMGQW

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	2
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	1.3V, 2.8V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.33V @ 300mA, 0.33V @ 300mA
Current - Output:	300mA, 300mA
Current - Quiescent (Iq):	80µA
PSRR:	70dB ~ 38dB (100Hz ~ 300kHz)
Control Features:	Enable
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-WFDFN Exposed Pad
Supplier Device Package:	8-WDFN (2x2)

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Introduction

Renesas RT9011-BMGQW is a high-efficiency, low-noise linear voltage regulator for applications with output current range up to 100mA. This voltage regulator is designed to provide an excellent regulation and low dropout characteristics. It has a wide range of features including output accuracy, fast line and load transient response, wide input voltage range, wide temperature range, low quiescent current, adjustable output current limit, adjustable output voltage and low rippler output noise. It is designed for use in automotive, mobile communications, medical and industrial applications.

Features

RT9011-BMGQW is available in 8-pin VDFN package. It has an operating voltage range of 2.5V to 5.5V and an extended temperature range of -40°C to +85°C. It also has over/undervoltage protection, a fast start-up time, an adjustable output current limit, a low quiescent current, an internal P-channel drive circuitry and an undervoltage lockout. It also includes other features such as output voltage adjust by an external resistor and a thermal shutdown protection.

Applications

RT9011-BMGQW is well-suited for applications such as automotive, mobile communication and medical applications, where low noise and high efficiency are required. It can be used as a power supply for electric vehicle battery systems, as well as for voltage regulators for digital audio amplifiers and portable devices. It is also suitable for powering portable medical devices and industrial equipment.

Working Principle

RT9011-BMGQW employs an adjustable linear voltage regulator operating principle which involves a high speed input P-channel MOSFET, an error amplifier and an output N-channel MOSFET. At the input stage, the P-channel MOSFET is driven by the error amplifier which is connected from the output voltage node to the input voltage node. The output voltage is regulated by comparing the voltage at the output voltage node with a reference voltage. The error amplifier holds the output of the P-channel MOSFET at the level required to regulate the output voltage according to the reference voltage. The output MOSFET then provides the required current to the load. The over/undervoltage protection, low quiescent current, fast start-up time, adjustable output current limit and adjustable output voltage are some of the key features of this voltage regulator.

Conclusion

RT9011-BMGQW is the perfect solution for many automotive, mobile communication and medical applications. It is a linear voltage regulator with excellent efficiency and low noise, suitable for voltage regulators and portable device power supplies. With its adjustable output current limit, fast start-up time, low quiescent current, over/under voltage protection and adjustable output voltage, this voltage regulator offers users high performance and flexibility.

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