LT1964IS5-5#TRPBF

Voltage Dropout (Max):	0.49V @ 200mA
Base Part Number:	LT1964
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	54dB (120Hz)
Current - Output:	200mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-5V
Voltage - Input (Max):	-20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
The LT1964IS5-5#TRPBF is a linear regulator in the range of PMIC (Power Management Integrated Circuits). It is designed to provide a regulated output voltage in a wide range of applications while maintaining high precision and low power consumption. It operates with a minimum operating voltage of 4.5V and a maximum output current of 0.75A, making it ideal for applications with space constraints and low power requirements.
Application Field of LT1964IS5-5#TRPBF
The LT1964IS5-5#TRPBF is suitable for a wide range of applications, such as consumer electronics, embedded systems, instrumentation, and other industrial applications. It can be used to provide a reliable low-voltage power source to a wide range of components, such as sensors and voltage converters. The regulator also has several features, including under-voltage lockout, current limiting, and thermal shutdown. The device is also capable of delivering up to 12V of output voltage with its output voltage range of just 4.6V to 16V.In consumer electronics applications, the LT1964IS5-5#TRPBF can be used to provide a reliable low-voltage power source to devices such as digital cameras and MP3 players. It is also useful for powering small LCD screens and other low-voltage components. In embedded systems and instrumentation, the LT1964IS5-5#TRPBF can be used to provide an accurate and consistent power source to microcontroller and voltage conversion circuits. The device is also suited for industrial applications where a low-voltage power source is needed, such as in motor control or robotics applications.Working Principle of LT1964IS5-5#TRPBF
The LT1964IS5-5#TRPBF works on the principle of a linear regulator, which employs a series of resistors, capacitors, and a transistor (BJT or MOSFET) to regulate the output voltage. The output voltage is regulated by varying the ratio of two resistors, which is called the reference voltage. The reference voltage is compared to the input voltage, and the transistor is then used to adjust the resistance and thus the output voltage.The input voltage is applied to the base of the transistor, and it is regulated depending on the changes in the reference voltage. The output voltage is then regulated depending on the difference between the input voltage and the reference voltage. In order to maintain stability and prevent oscillations in the output voltage, two capacitors are employed to filter the input and reference voltages.The LT1964IS5-5#TRPBF also has other features such as under-voltage lockout (UVLO), current limiting, and thermal shutdown, which provide additional protection and help ensure the correct operation of the device. The UVLO prevents the device from functioning if the input voltage drops below a certain value. The current limit feature prevents excessive current from passing through the device, while the thermal shutdown feature prevents the device from overheating.Conclusion
The LT1964IS5-5#TRPBF is an extremely versatile linear regulator in the range of PMIC which provides a regulated output voltage in a wide range of applications. It features several features such as under-voltage lockout, current limiting, and thermal shutdown, which provide additional protection and help ensure the correct operation of the device. It is suitable for a wide range of applications, such as consumer electronics, embedded systems, instrumentation, and other industrial applications.

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