RT9193-45GB

Voltage Dropout (Max):	0.3V @ 300mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB ~ 50dB (100Hz ~ 10kHz)
Current - Quiescent (Iq):	130µA
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.5V
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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.Introduction to RT9193-45GBThe RT9193-45GB is a 4.5V linear regulator module (also known as a “single-ended low-dropout” or “LDO” linear regulator) with very low dropout voltage. It is a preferred voltage regulator because of its high efficiency, low quiescent current and high output current. This device can be used to provide a stable, regulated output voltage from a wide range of input voltages. It is often used in portable applications where the input voltage can vary from either a single battery or multiple batteries.Key Features of RT9193-45GBThe RT9193-45GB has many key features, including: • Low Dropout Voltage: With a typical dropout voltage of 0.2V at 0.5A, the RT9193-45GB can provide a stable, regulated output voltage from a wide range of input voltages. • Low quiescent current: The RT9193-45GB has a low quiescent current of only 0.2mA and is ideal for battery-powered applications. • High output current: The RT9193-45GB has a maximum output current of 1.6A and can provide the required power to your application. • Over voltage protection: The RT9193-45GB provides over-voltage protection and can protect your circuits from an excessive output voltage. • Short-circuit protection: The RT9193-45GB provides short-circuit protection to ensure that your application remains safe under any circumstances. • Low noise: The RT9193-45GB is designed to minimize noise, ensuring a smooth and clean output voltage.Application field of RT9193-45GBThe RT9193-45GB is a suitable choice for a wide range of applications, including: • Mobile phones and cellular phones • PDAs, handheld computers and portable gaming devices • HDDs, DVD players and other consumer video appliances • Home audio/video systems • Industrial control systems • Medical equipment • Automotive applications • Battery-powered systems. In all these applications, the device provides low dropout, low quiescent current, high output current and short-circuit protection. The device is also suitable for applications where high frequency switching is required. Working Principle of RT9193-45GBThe RT9193-45GB is a linear voltage regulator with a very low dropout voltage. It is a two-terminal device, meaning that it uses two control inputs – one for the input voltage and one for the output voltage. The RT9193-45GB operates by comparing the input voltage and the output voltage, and then adjusting the output voltage accordingly. When the input voltage is higher than the output voltage, the device will reduce the output voltage until the input and output voltages are equal. When the input voltage is lower than the output voltage, the device will increase the output voltage until the input and output voltages are equal. The low dropout voltage and low quiescent current of the device enable it to provide a very efficient and stable output voltage for a wide range of input voltages.ConclusionThe RT9193-45GB is an efficient and reliable 4.5V linear regulator module with a very low dropout voltage. It has a low quiescent current of 0.2mA, and a maximum output current of 1.6A, making it suitable for a variety of battery-powered applications. The device also provides over-voltage protection and short-circuit protection. It is suitable for a wide range of applications, including consumer electronics, medical equipment, automotive applications and industrial control systems. The device is also suitable for applications where high frequency switching is required.

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