MC7812CD2TR4

Current - Output:	1A
Base Part Number:	MC7812
Supplier Device Package:	D2PAK
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	60dB (1kHz)
Current - Quiescent (Iq):	6.5mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	12V
Voltage - Input (Max):	35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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MC7812CD2TR4 application field and working principle

MC7812CD2TR4 is a popular voltage regulator that falls into the category of linear PMIC (Power Management IC) voltage regulators. These voltage regulators are designed to help convert and regulate DC voltages to drive a variety of devices, such as microcontrollers, transistors, and integrated circuits. The MC7812CD2TR4 is a low dropout (LOD) negative linear regulator suited for a variety of applications, such as light vehicle infotainment systems and automotive network systems.Basically, voltage regulators are used to maintain a consistent voltage level at their output, regardless of any fluctuation that may occur at their input. They are used to control and regulate the power supply, in order to provide steady and safe operation for various electronic devices. The MC7812CD2TR4 is an excellent example of voltage regulator, with its low power consumption and high reliability.The MC7812CD2TR4 offers a stable output voltage with a wide input voltage range. It produces a maximum output voltage of -12V, which can be adjusted by setting the current limitation resistor. The integrated input voltage bias current has been reduced to a minimum of 3.2A. This helps the regulator to reduce power consumption and improve thermal management performance. The high efficiency (up to 95%) and low output ripple (0.02V) make the MC7812CD2TR4 suitable for many applications.In terms of features, the MC7812CD2TR4 is equipped with some useful functions, like current limiting and thermal protection, which help to protect the device from overcurrent and over-temperature situations. It also has an adjustable soft-start time and anti-reverse function that helps to mitigate the risk of transient or reverse current flow.The MC7812CD2TR4 is mainly used in automotive and industrial applications, where precision control of regulated voltage is required. It can be used to drive various electronic circuits such as controllers, transistors, and actuators. It can also be used to control and regulate the power supply for micro-controllers, power supplies, and LEDs.The working principle of the MC7812CD2TR4 is as follows. When the input voltage is higher than the desired output voltage, the device switches on its internal transistor and conducts electricity, thus enabling the current to flow into the internal resistor. This, in turn, reduces the voltage at the output. When the voltage at the output is equal to the desired voltage, the internal transistor is automatically switched off.The MC7812CD2TR4 is an efficient and reliable voltage regulator offering high stability, low power consumption, and high reliability. It is suitable for use in many industrial, automotive, and consumer electronics applications. With its adjustable output voltage and current limiting features, it is a great choice for those looking for a reliable voltage regulator that can help ensure the quality and effectiveness of the device it is powering.

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