MC78L18ACPG

Current - Output:	100mA
Base Part Number:	MC78L18
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	48dB (120Hz)
Current - Quiescent (Iq):	6.5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	18V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Bulk

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MC78L18ACPG Application Field and Working PrincipleThe MC78L18ACPG is a 1A output voltage regulator designed for nearly all linear voltage regulator applications. This linear regulator is rated up to 18V output with a specific adjustable range from 3V to 18V. It can be used as either an adjustable voltage regulator, or a fixed voltage regulator.Due to its current handling capabilities, high-efficiency operation, and wide input-output range, the MC78L18ACPG is suitable for either portable or fixed-voltage applications. It can be used for many applications, including power supplies, cellular phones, battery chargers, DVD players, electronic instruments, and other electronic products.The MC78L18ACPG uses a three terminal linear voltage regulator. It consists of a series of transistors, capacitors, resistors, and other passive components. These components are arranged in such a way that when the input voltage is applied, the output voltage remains constant, regardless of changes in load currents.As the MC78L18ACPG uses a linear voltage regulator design, the output voltage is kept constant by adjusting the amount of current flowing through the pass transistor. This is achieved by adjusting the base voltage of the pass transistor. This process is known as regulation.The MC78L18ACPG is designed in such a way that it delivers a maximum output current of 1A. This ensures that the output voltage remains constant irrespective of the input voltage or load currents. The output voltage is adjustable from 3V to 18V.The MC78L18ACPG can also provide protection for the system in case of overloads. The overload protection circuit prevents the current from getting higher than 1A by automatically shutting down the regulator when it detects an overload. This feature helps to protect the device from damage due to an overload.The MC78L18ACPG is also designed with a thermal shutdown feature. This prevents the device from overheating, and in case of an overload, it turns off the regulator before it reaches a dangerous temperature.The MC78L18ACPG is a three-terminal linear voltage regulator that is designed to be used in numerous applications that require a constant output voltage. It is capable of delivering a maximum output current of 1A and is designed with overload protection and thermal shutdown features for added safety. It is capable of handling wide input-output voltages, making it suitable for different voltage requirements. Additionally, its simple design makes it highly cost-effective.

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