MC79M12BDT

Voltage Dropout (Max):	1.1V @ 500mA (Typ)
Base Part Number:	MC79M
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB (120Hz)
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-12V
Voltage - Input (Max):	-35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Obsolete
Packaging:	Tube

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The MC79M12BDT is a low dropout (LDO) linear voltage regulator that provides a convenient and reliable method for regulating output voltages. It features excellent line, load, and temperature stability, and low power consumption. The regulator is ideal for use in automotive, industrial and communication applications where stable and reliable power output is a requirement.The MC79M12BDT is a three-terminal, adjustable regulator. Unlike other voltage regulators, the MC79M12BDT uses a voltage-controlled internal transistors, referred to as a bypass regulator, to reduce the input voltage when the output voltage exceeds a predetermined level. When the desired output voltage is reached, the internal transistor turns off and the regulator operates in a conventional linear voltage regulating mode.The MC79M12BDT is designed with an R SENSE pin to allow for the use of an external sensing resistors instead of using the internal current sources to set the output voltage. With an external sense resistor the voltage drop is monitored externally and used to adjust the internal voltage of the regulator.The MC79M12BDT features a wide input voltage range of 3.2V to 24V and can provide a stable output voltage range of 1.3V to 22V. It is also capable of delivering up to 1.5A continuous output current. The regulator makes use of an active current limit feature, which helps ensure stable output current under varying input and load conditions. The MC79M12BDT also features an overtemperature protection circuit, which prevents heat damage by shutting down the regulator when the die temperature reaches its upper limit.The MC79M12BDT is housed in a TO-220 package, which is ideal for use in space constrained applications. This regulator also supports external shut down and standby mode control.The MC79M12BDT is a versatile linear voltage regulator suitable for a range of applications. It provides adjustable output voltage, stable output current and protection against overcurrent and overtemperature conditions. It is an excellent choice for automotive, industrial and communication applications that require reliable, regulated power output.

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