TCR3DM28,LF

Current - Output:	300mA
Supplier Device Package:	4-DFN (1x1)
Package / Case:	4-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	78µA
Current - Quiescent (Iq):	65µA
Series:	--
Voltage Dropout (Max):	0.25V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
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 TCR3DM28, LF Application Field and Working PrincipleTCR3DM28 LF is a Voltage Regulator manufactured by Texas Instruments (TI) which provides an incredibly stable output voltage in either linear regulator or three-terminal regulator configuration. This regulator is especially engineered to work with an especially low dropout (LDO) voltage, making it attractive to designers working in the power industry. This device holds many features and has a wide range of application fields--such as automotive, computering, industrial and consumer--where power efficiency is critical. Aside from the TCR3DM28 LF, there are other devices from TI\'s portfolio with similar features. Therefore, understanding TCR3DM28 LF better will help in exploring the use of these devices in specific applications.Features of TCR3DM28, LFTCR3DM28 LF is part of TI\'s regulator portfolio which provides an ultra-low dropout (LDO) voltage regulator with an output voltage range of between 0.8V and 3.6V. Other features include an adjustable voltage range, output current limit, a low-noise four level power sequencing feature and a low-power shutdown mode. This series of regulators has excellent temperature stability, quiescent current, input voltage, and power supply rejection ratio (PSRR). It also provides protection against under-voltage and over-current conditions. Apart from that, TCR3DM28 LF also provides reverse current protection, input current control and thermal shutdown features. TCR3DM28, LF Application Fields and Working PrincipleThe wide range of applications for TCR3DM28 LF provides designers with flexibility in designing their products. One of the most common uses for this regulator is in automotive applications, where current and voltage protection capabilities are important features. It is used to provide power to a number of systems, including windshield wipers, power steering, and vehicle lighting. This device is also used in a variety of industrial applications and consumer electronics. The working principle of TCR3DM28 LF is based on a linear regulator, which is a type of voltage regulator. It is a negative feedback voltage regulator which operates on the principle that the output voltage is always pulled towards a reference voltage— the regulation point. The regulation point is determined by varying the amount of current through a series pass element, such as a FET. This current is referred to as the error amplifier. The error amplifier then adjusts the voltage to the desired level by controlling a current flow into the resistor divider network to provide the feedback control. This current is referred to as the sense current. The power delivery system of TCR3DM28 LF is designed to provide an optimal power supply with minimal power loss. This is accomplished by using an advanced switched-mode power system which allows for the regulation of the output voltage, while still providing a high efficiency power delivery system. In addition, TCR3DM28 LF also provides an over-current protection feature which allows for a current limit to be set to protect the system from potential damage due to an excessive current draw.ConclusionTCR3DM28 LF is a voltage regulator that provides an incredibly stable output voltage in either linear regulator or three-terminal regulator configuration. It is suitable for applications within a wide range of industries such as automotive, computering, industrial and consumer. The features offered by TCR3DM28 LF make it a great choice for designers who are looking for a reliable and efficient voltage regulator. It uses a linear regulator mechanism and a advanced switched-mode power system to ensure efficient power delivery. The TCR3DM28 LF also offers features such as current limit, over- and under-voltage protection, input current control and thermal shutdown which can help protect the system against potential damage.

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