UA79M08CKVURG3 Integrated Circuits (ICs)

Voltage Dropout (Max):	1.1V @ 5mA
Base Part Number:	UA79M08
Supplier Device Package:	TO-252-3
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	59dB (120Hz)
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-8V
Voltage - Input (Max):	-25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The UA79M08CKVURG3 is a linear voltage regulator integrated circuit that is widely used in voltage regulation circuits. It is a low dropout regulator (LDO) that is capable of providing output voltages between 0.8 V to 5.0 V and with a maximum current of 500 mA, making it ideal for use in a variety of applications.

Application Field

The UA79M08CKVURG3 is a multi-purpose linear voltage regulator that is popular in a wide range of applications. It is primarily used to provide regulated power supply and stabilization of output voltage from unregulated AC-DC power supply converters. It can also be used to generate power supply for microcontrollers, voltage controlled oscillators and many other electronic applications. Its versatile design also requires minimal external components for functioning, making it easy to implement in a wide range of circuits.The advanced design and capabilities of the UA79M08CKVURG3 makes it an ideal solution for many modern applications. It is perfect for providing noise-free power supply for medical equipment and communication systems. It is also often used in automotive, industrial and consumer applications such as to provide power supply for LED lighting, an area of particular importance and relevance as LED technology continues to expand at a rapid rate.

Working Principle

The UA79M08CKVURG3 is a three-pin integrated circuit that consists of an error amplifier and power transistors. As its name implies, it is a low dropout regulator (LDO) that acts on a regulated positive input voltage and produces a stable regulated output voltage.The working principle of the UA79M08CKVURG3 is based on the voltage difference between its input and the regulated output. The integrated error amplifier monitors the output voltage and compares it to a reference voltage. If the output voltage is higher than the reference voltage, it reduces the current flow through the transistors, decreasing the output voltage and vice versa. This regulation process continues until the output voltage is equal to the reference voltage, allowing the circuit to achieve a steady-state condition.The UA79M08CKVURG3 can also be used as a current limiter by simply connecting a resistor in parallel with the output voltage. When the output current begins to exceed the desired levels, the error amplifier decreases the current flow to the output, allowing the circuit to act as a current limiter.

Conclusion

The UA79M08CKVURG3 is a versatile and highly efficient linear voltage regulator that is popular in a wide range of applications. Its advanced design and highly integrated features make it an ideal choice for many modern applications, particularly those in the automotive, industrial, and consumer markets. Its ability to generate stable output voltages and provide current limiting makes it well suited to many tasks. It is an excellent choice for a wide range of applications needing reliable and consistent power supply.

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