KD1084DT-R

Current - Output:	5A
Base Part Number:	KD1084
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	72dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1.5V @ 5A
Voltage - Output (Max):	10.5V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	12V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

KD1084DT-R is a linear voltage regulator integrated circuit (IC) manufactured by SemTech Corporation. It provides a way to precisely regulate the output voltage of a system, allowing for precise power control over a range of voltage levels. It is designed to be used in a variety of applications, including automotive systems, consumer devices, medical systems and more. In this article, we will discuss its application fields and working principles.

Application Fields

KD1084DT-R is often employed in automotive systems, consumer devices, medical systems, and other voltage regulated applications.In automotive systems, it can be used to regulate voltage levels on headlights, engine control systems, and other onboard functions. This helps ensure the accuracy of the power delivery throughout the system, while also providing improved reliability and longevity.In consumer devices, the IC is especially useful for regulating power sources in portable consumer electronics, such as rechargeable batteries or other non-standard sources. By precisely regulating the output voltage, the device is able to deliver consistent power over a wide range of conditions, with improved power efficiency and device lifespan.In medical systems, the IC is useful for regulating the power sources of life-saving equipment, such as artificial heart pumps or other vital monitoring systems. By precisely controlling the output voltage, it helps to ensure the device operates consistently and reliably over a wide range of conditions.

Working Principle

The linear voltage regulator integrated circuit (IC) operates by using an internal voltage reference and input voltage to compare and adjust the output voltage level. The voltage reference is a fixed and precise voltage level established by an on-board reference circuit. The incoming voltage is then compared to the reference voltage and adjusted accordingly.The IC features a Controller IC, which consists of a set of external components that allow for the precise voltage control. This includes an adjustable Resistor, which is used to adjust the voltage reference according to the desired range. The IC also includes an error amplifier, which measures the difference between the output voltage and the reference voltage and then modifies the voltage output to compensate.Furthermore, the IC includes a Power Transistor and a Hot Swap Protection circuit. The Power Transistor is used to regulate the current flow and the amount of power delivered. The Hot Swap Protection circuit protects the IC in case of an overload or extreme temperatures.

Conclusion

KD1084DT-R is a linear voltage regulator IC manufactured by SemTech Corporation. It is designed to be used in a variety of applications, such as automotive systems, consumer devices, and medical systems. Its applications fields and working principles were discussed in this article. Its working principle involves the use of an on-board reference voltage, adjustable Resistor, error amplifier, Power Transistor and a Hot Swap Protection circuit. With its precise voltage control and robust protection features, the KD1084DT-R is an ideal solution for many voltage regulated applications.

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