UA78L12ACPK Integrated Circuits (ICs)

Voltage Dropout (Max):	1.7V @ 40mA
Base Part Number:	UA78L12
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	42dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	12V
Voltage - Input (Max):	27V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to UA78L12ACPKC
The UA78L12ACPKC is an advanced low-dropout (LDO) linear voltage regulator manufactured by ON Semiconductor. It is part of the company\'s family of linear regulators that offers up to 3.5 A sink and source current, ensuring a reliable regulation of voltage when it is needed most. This device serves as an adjustable voltage regulator that offers fixed 1.22 V and adjustable output voltage from 1.2 V to 37 V. This makes it ideal for a wide range of applications, including embedded systems, telecommunications equipment, consumer electronics, and medical equipment.Applications of UA78L12ACPKC
The UA78L12ACPKC is suitable for a variety of applications, including:
• Embedded Systems — This device can be used to provide reliable and efficient supply voltages in embedded system designs. It can also be used to adjust noise, power consumption, and load conditions in mixed-signal designs.
• Telecommunications Equipment — It is designed to efficiently provide power for telecommunications equipment. It can be used for audio, video, and data systems, making it an ideal choice for the most demanding applications.
• Consumer Electronics — It can provide power for a variety of consumer electronics, such as MP3 players, cell phones, and other portable devices. Its wide range of output voltage makes it suitable for a broad range of applications.
• Medical Equipment — The UA78L12ACPKC is suitable for powering medical equipment, such as x-ray machines, ECG machines, and other medical imaging systems.Features of UA78L12ACPKC
The UA78L12ACPKC is characterized by its high efficiency, low dropout voltage, and low quiescent current. It offers a high output accuracy and power supply rejection ratio for improved system performance. Its low quiescent current helps to reduce heat dissipation and save energy. Its adjustable output voltage makes it suitable for a wide range of applications. It also offers protection against over-temperature, over-voltage, and short-circuit conditions.Advantages of UA78L12ACPKC
The UA78L12ACPKC offers a number of advantages compared to other similar devices, including:
• Low dropout voltage — Its low dropout voltage ensures a reliable operation in a wide range of operating environment.
• Low quiescent current — Its low quiescent current helps to reduce heat dissipation, thereby saving energy.
• High output accuracy — Its high output accuracy ensures a reliable output voltage regardless of the load condition.
• Wide input voltage range — Its wide input voltage range makes it suitable for a variety of applications.
• Wide output voltage range — Its wide output voltage range makes it suitable for a wide range of applications.Working Principle of UA78L12ACPKC
The UA78L12ACPKC is a linear voltage regulator that works by supplying a regulated voltage to its output pin. It works by taking a regulated input voltage from its input pin and adjusting its output voltage to the desired value according to its feedback loop. The output voltage is usually proportional to its input voltage, although this may vary depending on the load conditions. The device has an error amplifier and a power transistor to control the output voltage, as well as a current-mirror network to set the quiescent current.Conclusion
The UA78L12ACPKC is a low-dropout linear voltage regulator manufactured by ON Semiconductor. It is designed to provide up to 3.5 A of sink and source current, as well as adjustable output voltage from 1.2 V to 37 V. It is suitable for a wide range of applications, including embedded systems, telecommunications equipment, consumer electronics, and medical equipment. It is characterized by its low dropout voltage, low quiescent current, high output accuracy, and wide input and output voltage range. It works by taking a regulated input voltage from its input pin and adjusting its output voltage according to its feedback loop.

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