MC79L12BP-AP Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-30V
Voltage - Output (Min/Fixed):	-12V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	100mA
Current - Quiescent (Iq):	6mA
PSRR:	64dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92
Base Part Number:	MC79L

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MC79L12BP-AP Application Field and Working Principle

MC79L12BP-AP, a three-terminal low-drop fixed positive voltage regulator with a voltage reference, belongs to the PMIC Voltage Regulators Linear category. It has a maximum output current of 100 mA and a reference voltage of 12V.As a three-terminal low dropout positive voltage regulator, MC79L12BP-AP can be used in a variety of applications, including medium-power DC/DC applications and local area networks. It is also used in high-reliability industrial and medical equipment, for example, medical diagnostics equipment and analyzers.MC79L12BP-AP’s working principle is based on a high-input voltage range and a low-voltage differential across it. When the input voltage is greater than the reference voltage, the regulator will start to regulate the output voltage. When the voltage differential across the regulator is less than the reference voltage, the regulator will stop regulating and the output voltage will drop to the input voltage minus the differential. The MC79L12BP-AP is equipped with a current limit circuit which is designed to protect the device against excessive current. It will limit the current drawn from the output when the input/output voltage differential is less than the voltage reference. The current limit circuit ensures safe protection and reliable operation even under extreme operating conditions. The device also has a thermal overload protection circuit which is designed to prevent the device from overheating. When the internal temperature of the regulator exceeds the rated operating temperature, the thermal protection circuit will activate, limiting the power dissipation. MC79L12BP-AP also has an overvoltage protection circuit which is designed to protect against damaging voltages. When the voltage on the output of the device exceeds the reference voltage, the overvoltage protection circuit will activate, limiting the output voltage and reducing the power dissipation. In summary, the MC79L12BP-AP is a low-dropout positive voltage regulator that is suitable for a wide range of applications, including medium-power DC/DC applications and high-reliability industrial and medical equipment. It is equipped with a current limit circuit and thermal and overvoltage protection circuits, ensuring safe protection and reliable operation even under extreme operating conditions.

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