UA78M06CKVURG3 Integrated Circuits (ICs)

Voltage Dropout (Max):	2V @ 350mA
Base Part Number:	UA78M06
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:	80dB (120Hz)
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	6V
Voltage - Input (Max):	25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The UA78M06CKVURG3 is a linear voltage regulator integrated circuit (IC) designed specifically for the automotive power-supply market. It is an advanced standby regulator capable of providing a regulated output voltage of either 5 or 6V, depending on the level of input voltage. This device features an integrated inverse-current protection circuitry, as well as a thermal overload shutdown protection (LCD) circuit. The device has a maximum input voltage of 36V, making it suitable for use in a wide array of automotive applications. The UA78M06CKVURG3 also features a low output current of 1A, meaning it can be used to provide a low-power supply to small devices such as sensors, microcontrollers, and other components.

Application Fields and Work Principle

The UA78M06CKVURG3 can be used in a wide range of automotive applications. It is suitable for use in systems that require a stable regulated voltage. Such applications can include systems that require a reliable power supply for microcontrollers, sensors, and other low-power components. Additionally, the UA78M06CKVURG3 can be used as a reliable supply for systems that require a low standby current while still maintaining a regulated output voltage.The UA78M06CKVURG3 works by using PNP and NPN transistors to regulate the supply voltage. The transistors act as switches, and are controlled by a constant-voltage reference. When the input voltage exceeds the reference voltage, the PNP transistor is turned on, allowing current to flow. When the input voltage is below the reference voltage, the NPN transistor is turned on, preventing any current from flowing.The UA78M06CKVURG3 also features an integrated inverse-current protection circuit, which prevents damaging currents from flowing in the event of a short-circuit or overload. The device also includes a thermal overload shutdown protection (LCD) circuit, which shuts the device down if the temperature becomes too high, preventing the device from being damaged by excessive heat.

Pros and Cons

One of the main advantages of the UA78M06CKVURG3 is its low cost, making it an ideal option for low-cost automotive applications. It is also relatively easy to design with, as it requires fewer components and provides a reliable level of protection from overcurrents, thermal shutdowns, and inverse-currents.However, one of the main disadvantages of the UA78M06CKVURG3 is its low output current. Although it is suitable for powering low-current devices such as sensors and microcontrollers, it is not suitable for larger, high-power components. Additionally, the device is not designed to handle high-current applications, so it should not be used in such situations.

Conclusion

Overall, the UA78M06CKVURG3 is a versatile and cost-effective option for a wide range of automotive applications. It is capable of providing a reliable supply for low-power components such as sensors and microcontrollers, and is protected against overcurrents, thermal shutdowns, and inverse-currents. However, its low output current means it is not suitable for powering high-power devices.

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