MC78M12ABDT

Voltage Dropout (Max):	--
Base Part Number:	MC78M
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 Temperature, Short Circuit
Control Features:	--
PSRR:	80dB (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:	Positive
Part Status:	Obsolete
Packaging:	Tube

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<p>The MC78M12ABDT is an example of a linear voltage regulator. This voltage regulator is designed to provide a regulated 3.3V output voltage, with a maximum output current of 800 mA. The MC78M12ABDT is a three-terminal adjustable regulator that allows the output voltage to be adjusted between 1.2V and 37V. The MC78M12ABDT is available in a surface mount package, with thermal shutdown and short circuit protection. </p><p>Linear voltage regulators are electronic circuits used to provide a stable output voltage, even when the input voltage or load current changes. Linear regulators are commonly used to provide a stable voltage for a variety of electronic components, such as transistors, microcontrollers, motors, and PCB prototypes. The MC78M12ABDT is a common choice for applications requiring an adjustable output voltage, such as motor control or LED lighting.</p><p>The operation of a linear voltage regulator is based on an operational amplifier (op-amp). The op-amp compares the input voltage with the reference voltage and produces an error signal that is used to control the output voltage. The op-amp has two input pins: the reference voltage (Vref) pin and the error signal (Vin) pin. The reference voltage is set to the desired output voltage. The error signal is then fed into the op-amp, causing it to adjust the output voltage until it matches the reference voltage.</p><p>The MC78M12ABDT is typically used in applications such as motor control and LED lighting systems. These systems require a stable output voltage, which is achieved by the linear regulator. In addition, the adjustable output voltage allows for customization to meet application needs. For example, the MC78M12ABDT can be used to provide a 3.3V output voltage for microcontrollers, or a 12V output voltage for motors. This flexibility makes the MC78M12ABDT a popular choice for many applications.</p><p>In summary, the MC78M12ABDT is a three-terminal adjustable linear voltage regulator. It is designed to provide a regulated output voltage with a maximum current of 800 mA. The output voltage can be adjusted between 1.2V and 37V. The MC78M12ABDT is commonly used in applications requiring an adjustable output voltage, such as motor control and LED lighting systems.</p>

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