MC79M15CDTRK

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-35V
Voltage - Output (Min/Fixed):	-15V
Voltage - Output (Max):	--
Voltage Dropout (Max):	1.1V @ 500mA (Typ)
Current - Output:	500mA
PSRR:	60dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Base Part Number:	MC79M

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Introduction to MC79M15CDTRK

The MC79M15CDTRK is a low dropout voltage regulator of the linear type specifically designed for automotive applications. It is an ultra low-drop regulator that provides high current output in circuit with very low input voltages and a low output voltage of up to 15V. As with all voltage regulators, it is intended to be used to maintain a constant voltage level in circuits where there is a requirement for a smooth output voltage free from fluctuations. This particular type is also known as “linear” since the output is derived from a linear relationship between the input and output voltages.

Features & Benefits of MC79M15CDTRK

The MC79M15CDTRK is designed for automotive applications, and as such has some specialized features for this type of application. Firstly, it has very low dropout voltage of just 2mV and can handle very low voltages from as small as 0.9V. This makes it ideal for circuits that require an extremely low input voltage. The device also has an input voltage range of up to 44V and can output up to 15V.The device has a wide temperature range of -40°C to 150°C and is equipped with over-temperature protection and reverse-voltage protection. This makes it suitable for use in more demanding operating conditions. The device also has a low quiescent current of just 50uA and a very low ground current of only 21uA. This makes it ideal for use in battery powered systems where high efficiency is required.

Applications of MC79M15CDTRK

The MC79M15CDTRK is primarily used in automotive applications. It is used in power supply circuits to provide a consistent, smooth and stable output voltage even when the input voltage is fluctuating or changing. The device is used in all types of vehicle systems, such as starters, ABS brakes, airbags, navigation systems and can also be used in consumer electronics which use 12V input supply. The device is also suitable for use in systems powered by low-voltage batteries such as solar cells and hearing aids.

Working Principle of MC79M15CDTRK

The working principle of the MC79M15CDTRK is fairly simple. It uses an internal voltage regulator to reduce the input voltage to the desired output voltage. The device utilizes a linear regulator, which means that the output voltage is proportional to the input voltage, with a maximum allowed change of 2mV.The device has an internal comparator, which monitors the output voltage and adjusts the output voltage as required to keep it at the desired level. The device also contains an internal current limit feature, which limits the amount of current that can be supplied by the device, thus protecting it from overload.

Conclusion

The MC79M15CDTRK is an automotive grade low dropout voltage regulator designed for applications where a very low input voltage and a stable output voltage are required. It is equipped with over temperature protection and reverse voltage protection to ensure it can operate at a wide range of temperatures and environments. The device is ideal for use in automotive applications, namely starters, ABS brakes, airbags and navigation systems as well as consumer electronics and devices powered by low-voltage batteries. The device utilizes a linear regulator, which links the input and output voltage together and limits the output voltage to plus or minus 2mV. The device also has a current limiting feature to protect against overloads.

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